Blood Tests Normal but Still Feel Unwell? Genetics and Your Next 7 Steps.

By Dan Purser, MD | Purser Wellness

If you're searching “blood tests normal but still feel unwell,” normal results mean the tests performed did not identify certain abnormalities—not that your symptoms are imaginary. Persistent exhaustion, aching, or brain fog deserves a medical review that considers your history, examination, sleep, medications, and carefully selected next steps. MaxGen DRP genetics may add context about selected inherited variants, with CMA + Redox considered afterward when a cellular nutrition question remains; neither replaces medical care or guarantees an explanation.

I want clients to hear two things together: reassuring results matter, and how you feel matters. You do not have to reject one to take the other seriously.

At Purser Wellness, my featured genetic option is the MaxGen DRP panel. It starts a discussion about possible contributors—not a verdict about why you feel sick.

Step 1: Understand what “normal” actually answers

A routine panel answers a defined set of questions. It does not examine every possible reason for fatigue, pain, or difficulty concentrating.

A reference range generally comes from results in a group considered healthy. Your clinician interprets it alongside your age, symptoms, examination, and other findings. As MedlinePlus explains, results inside the range do not guarantee good health, and results outside it do not automatically mean disease.

Ask which tests were performed and what remains uncertain. Trends can matter, although laboratory methods and units can complicate comparisons.

Routine tests are valuable. Clarify what they tell us rather than dismissing them or assuming a hidden deficiency.

Step 2: Describe the symptoms before choosing more tests

“Normal blood work but still feel sick” is a starting point, not a diagnosis. Tell your clinician what feeling sick means in daily life.

Is it sleepiness, muscle weakness, widespread aching, breathlessness, or an energy crash after activity? Did it begin after an infection, a new medication, a change in sleep, or a major life event?

Keep a brief diary of symptom timing, sleep quality, meals, activity, and the tasks you can no longer manage comfortably. Bring previous reports and a complete medication and supplement list.

Clients sometimes describe feeling “inflamed.” I take that discomfort seriously, but the sensation alone does not establish inflammatory disease. Stiffness, joint swelling, fever, rashes, or other specific findings help guide the assessment.

Step 3: Revisit common causes—and recognize urgent symptoms

Before exploring specialized nutrition testing, review conditions such as anemia, thyroid disease, sleep apnea, medication effects, depression, anxiety, and recovery after infection. What has already been evaluated, and what does your history suggest still needs attention?

Temple Health's explanation makes an important distinction: iron deficiency can exist without anemia, and sleep apnea cannot be diagnosed by a routine blood panel. Sometimes the useful next step is a sleep assessment or medication review, not another broad panel.

Do not stop prescribed medication on your own. If activity causes a delayed, substantial worsening, describe that pattern rather than trying to push through it.

Seek emergency care for chest pain, severe shortness of breath, fainting, sudden weakness, or trouble speaking. Unexplained weight loss, persistent fever, or worsening symptoms also warrant prompt medical attention. A previous normal report does not cancel a new warning sign.

Step 4: Explore the MaxGen DRP panel—with clear limits

I designed the DRP panel drawing on four years of work with clients. My aim was to explore genetic contributors to inflammation-related questions, including homocysteine-related pathways and selected inflammation-related gene targets: IL6 (IL-6), CXCL8 (IL-8), IL23R (interleukin-23 receptor), and TNF (TNF-alpha). IL23R is a receptor gene; these are not all cytokine genes. That is the clinical background behind my design, not a validation study proving the panel explains unexplained symptoms.

The MaxGen DRP bundle is the centerpiece of that conversation. Genetic counseling and results discussion with me can be arranged via Zoom, subject to availability and service requirements. This means physician interpretation; a separately credentialed genetic counselor is not promised.

I also have a clinical interest in PEMT when discussing gut concerns, including SIBO, and liver, gallbladder, or pancreas questions. Those are questions to explore, not conditions a PEMT variant diagnoses. A result does not establish that a variant caused symptoms or replace appropriate evaluation of those organs.

The distinction matters: DRP examines selected inherited variants. It does not measure cytokine concentrations, homocysteine concentrations, current nutrient levels, or active inflammation. A variant is not a diagnosis, and a reassuring panel cannot rule out illness.

MedlinePlus Genetics explains that genetic testing has important limits and potential emotional and financial consequences. Ask which findings would change care and discuss privacy before ordering. Genetic testing is never a prerequisite for appropriate medical care.

For a separate discussion of how to lower homocysteine , see my dedicated guide. This article is not a treatment protocol, and unexplained fatigue should not automatically be attributed to methylation.

Step 5: Consider CMA + Redox only if a nutrition question remains

Genetics and cellular assessment answer different questions. After reviewing your history and, if chosen, your DRP results, we may consider the Cellular Micronutrient Assay with Redox. It is an optional follow-up, not a required second purchase. Some clients may need a different evaluation or no additional testing.

CMA examines aspects of nutrient function within immune cells; Redox adds antioxidant-related assessment. It may inform a nutrition discussion, but it does not directly measure every organ or every cell. A flagged finding does not prove the cause of pain or exhaustion, or confirm that a genetic variant is causing a deficiency.

Evidence that broad intracellular panels improve clinical outcomes beyond standard assessment remains limited. An evidence review used for coverage decisions finds insufficient evidence of better long-term outcomes. Ask what the result could change, whether confirmation is needed, and whether the expense is justified for your question.

Step 6: Compare the purpose, inclusions, and expense

Here is one practical comparison. Prices below were checked against the Purser Wellness pricing page on November 8, 2026, HST; confirm them before ordering.

Assessment	What it can contribute	Important limit and listed cost
Medical review with targeted evaluation	History, examination, and assessment for likely causes	No single panel rules out everything; cost depends on the care selected
DRP genetics through MaxGen with Dr. Purser consultation	Selected inherited variants and interpretation	Not current nutrient status or a diagnosis; $925
Optional CMA with Redox and staff consultation	Cellular nutrient-function and antioxidant-related assessment	Not proof of symptom cause; $799; CMA without Redox $599
Optional CMA with Redox and Dr. Purser consultation	Cellular assessment with physician interpretation	Not a guaranteed answer; $1,224; CMA without Redox $1,024

The CMA physician bundle lists a 30-minute consultation and customized supplement and nutrition plan. You arrange the blood draw with a qualified provider; outside draw fees vary. The DRP physician bundle lists a 30-minute consultation.

These Purser Wellness offerings are direct-pay and never billed to insurance. Reimbursement is not promised. Confirm total charges, follow-up, separate draw fees, and the appointment format before ordering. Written-consult offers differ from live consultations; a nutrition plan does not mean supplements are included.

Step 7: Leave with a plan and a review point

A useful consultation should end with priorities, not just more information. What needs medical follow-up? What reasonable nutrition or sleep changes can begin? Which findings remain uncertain, and when will you review progress?

Choose recognizable outcomes: managing a workday or sleeping more restoratively. Do not chase every flagged result or assume supplements will resolve the problem. Discuss safety, interactions, and whether further testing would change care.

The Purser Method describes our approach to individualized assessment. If aching is your main concern, our pain-management overview provides additional practice context; it does not replace an examination or establish your personal diagnosis.

Before-your-visit checklist

• Bring actual reports, not just “everything was normal.”

• Write down symptoms, onset, triggers, and daily impact.

• List prescriptions, nonprescription products, and supplements.

• Note snoring, unrefreshing sleep, and activity-related worsening.

• Ask what each proposed test could change.

  Confirm who interprets results and all separate fees.

  Agree on follow-up and warning signs requiring earlier care.

If you're always tired but blood tests normal, the next step is a better clinical question—not automatically a bigger shopping cart. For questions about Purser Wellness options, email info@danpursermd.com.

Talk with your doctor about persistent symptoms and before changing medications or supplements. This article is educational, not a personal diagnosis.

Frequently asked questions

Can I feel unwell even when blood tests are normal?

Yes. Routine tests assess specific things, not every possible cause of symptoms. Persistent fatigue, pain, or brain fog deserves review of your history, examination, sleep, medications, and whether targeted evaluation is appropriate.

Does normal blood work rule out inflammation?

No. The meaning depends on which tests were performed and your clinical findings. Aching or feeling inflamed does not itself establish inflammatory disease. Discuss persistent symptoms, swelling, fever, or other changes with your doctor.

Do I need CMA + Redox after DRP genetics?

No. CMA + Redox is an optional follow-up when a cellular nutrition question remains. It does not confirm that a genetic variant is causing symptoms. Evidence for improved outcomes from broad intracellular panels remains limited; other medical evaluation may be more useful.

Can a genetic test diagnose why I feel sick?

No. A selected variant is not a diagnosis and does not measure current nutrient levels. Genetic results need interpretation alongside your symptoms and other findings; many variants do not explain illness.

Are Zoom consultations and insurance billing available?

Genetic counseling and results discussion with Dr. Purser can be arranged via Zoom, subject to service requirements and availability. These Purser Wellness offerings are direct-pay and never billed to insurance. Confirm inclusions and separate fees; reimbursement is not promised.

High Homocysteine and Inflammation: How IL-8 and MCP-1 Damage Your Arteries

By Dan Purser MD

If you've recently discovered an MTHFR mutation, elevated homocysteine is probably top of mind. In my view, high homocysteine acts as an inflammation engine inside your vascular system, contributing to fatigue, brain fog, and serious cardiovascular risk.

This article focuses on the part most guides skip: what homocysteine does to your immune system and blood vessels, and why the MTHFR protocol I use targets inflammation, not just the lab number. (For the step-by-step basics, see my companion article, How to Lower Homocysteine Naturally: 7 Steps.)

Homocysteine: The Inflammation Engine

Homocysteine is an amino acid your body makes when it uses methionine, an amino acid from protein. Normally it's quickly recycled using folate, B12, and B6. When MTHFR is slow, it can pile up.

Meet IL-8 and MCP-1

Excess homocysteine stimulates cells to produce two pro-inflammatory cytokines: IL-8 and MCP-1. In a 2001 study in Circulation, homocysteine caused human aortic endothelial cells (the cells lining your main artery) to make and release both (Poddar et al., 2001).

• MCP-1 (monocyte chemoattractant protein-1) acts like a beacon, calling white blood cells called monocytes into the vessel wall.

• IL-8 (interleukin-8) recruits and activates other white blood cells and amplifies the inflammation.

Homocysteine does the same thing in white blood cells. In cultured human monocytes, clinically relevant homocysteine levels increased both the production and release of MCP-1 and IL-8, driven by reactive oxygen species and NF-κB (Zeng et al., 2003). That is the heart of my model: homocysteine primes monocytes, and the cytokines they release, not homocysteine itself, drive the damage (Purser, Homocysteine as a Cytokine-Sensitivity Biomarker).

How that becomes plaque

Once monocytes enter the vessel wall, they can turn into the cells that form plaque. That's how inflamed artery lining can lead to arterial plaque, vascular damage, and a body-wide immune overreaction.

Large population data link higher homocysteine with ischemic heart disease and stroke (Homocysteine Studies Collaboration, 2002).

Why the Number Isn't the Whole Story

Several big trials lowered homocysteine with B vitamins. Results were mixed: HOPE-2 didn't reduce overall heart events (HOPE-2 Investigators, 2006), while CSPPT reduced first strokes in adults with high blood pressure (Huo et al., 2015).

My interpretation is that once homocysteine has switched on IL-8 and MCP-1, you need to cool that inflammation too. Lowering homocysteine stops more fuel going on the fire; calming cytokines helps put out what's already burning.

How the Purser MTHFR Protocol Targets Both

Part 1: Clear homocysteine before it triggers cytokines

The MTHFR protocol I use focuses on targeted methylation support. A specialized homocysteine-lowering supplement with bioavailable methyl donors gives your body the biochemical keys to process and clear homocysteine efficiently, ideally before it triggers cytokine release.

Part 2: Address the inflammation directly

That means intracellular antioxidant support, particularly glutathione, which I believe helps suppress cytokine release. In human macrophages, glutathione reduced the release of IL-8, IL-6, and TNF-α (Gosset et al., 1999), and glutathione depletion amplifies NF-κB, the switch that turns on IL-8 and MCP-1 (Haddad, 2002).

Part 3: Personalize to your genes

Knowing which homocysteine-lowering steps fit your genes is your first step toward vascular health. A curated methylation panel shows whether MTHFR is the only issue, or one of several. Dosing is individualized at consultation.

Who Should Have Homocysteine Checked?

• Anyone with a known MTHFR variant

• People with a personal or family history of early heart attack, stroke, or blood clots

• Patients with unexplained chronic inflammation or fatigue

• Women with recurrent pregnancy loss

Homocysteine is a simple, widely available blood test. Ask your doctor for it by name.

Where Homocysteine Comes From

Homocysteine is made every day as a by-product of methylation. After methionine (from dietary protein) becomes SAMe and donates its methyl group, the leftover becomes homocysteine. Normally it's cleared quickly, either recycled with folate and B12 or converted with B6 into cysteine, a building block of glutathione (Mosharov et al., 2000).

When any of those steps is slow, homocysteine lingers, and that's when it starts to act as an inflammatory signal.

Homocysteine and the Brain

The inflammation isn't limited to arteries. Laboratory research found homocysteine can overstimulate NMDA receptors on nerve cells (Lipton et al., 1997), and higher homocysteine was linked to later dementia risk in the Framingham study (Seshadri et al., 2002). I cover this in detail in my post on MTHFR and brain fog.

Why Cytokines Matter for "Undiagnosable" Illness

Many of the patients I see have been told their inflammatory symptoms don't fit any diagnosis. Their standard markers may be only mildly abnormal. When I find high homocysteine, problem genetics, and low intracellular antioxidants together, the picture often starts to make sense: chronic, smoldering cytokine activity that standard tests weren't designed to catch.

If this sounds like your story, it's exactly why I test rather than guess. Your genetics can help explain why your cytokines run hot when nobody can find a diagnosis.

What Your Results Mean

Elevated homocysteine

Fuel for IL-8 and MCP-1 production. The higher and longer it stays up, the more reason to act.

Elevated cytokines or inflammatory markers

Show the fire is already burning. I usually track IL-8, because it's the easiest and least expensive to get; many labs won't or can't run MCP-1.

Low intracellular glutathione

Means fewer defenses against the oxidative stress that inflammation creates.

Intracellular results typically come back in 10–14 days. Vitamin re-testing should come after 90–100 days of high-level supplementation.

An Example

A 61 yo woman had years of unexplained joint pain, fatigue and inflammation markers (elevated hsCRP and CRP and D-dimer) that never quite reached a diagnosis. She had high homocysteine, eight methylation variants (including Homozygous CBS X 2, and Homozygous MTHFR A1298C), and low intracellular glutathione. Methylation, glutathione replacement with topical patented/validated Glutaryl and cytokine support (also had her on an enteric coated baby aspirin), coordinated with her rheumatologist, improved her symptoms and her IL-8 levels (but not her homocysteine level, which becomes non-important at this level of care – we follow the IL-8 instead). Joint pain had improved dramatically too.

Habits That Help

• Don't smoke; smoking adds oxidative stress

• Keep blood pressure controlled

• Stay active most days

• Eat leafy greens, legumes, and whole foods rich in folate and B vitamins

• Limit alcohol, which can deplete glutathione

Myths About Homocysteine

Myth: Homocysteine only matters for heart disease. It's also linked to brain health and inflammation.

Myth: If cholesterol is normal, my arteries are fine. Homocysteine-driven inflammation is a separate pathway that a lipid panel doesn't measure.

Myth: Lowering the number solves everything. Trials have been mixed; inflammation needs attention too.

Myth: Only older people need to check it. I see high homocysteine in young adults with strong genetics.

Working With Your Specialists

If you have an autoimmune or inflammatory condition, root-cause support should complement, not replace, your specialist's care. Prescription biologics can be essential for some cytokine-driven diseases. Share your homocysteine results and plan with your rheumatologist, cardiologist, or primary doctor.

A Realistic Timeline

• Week 0: testing ordered and drawn.

• About 2 weeks: results typically back in 10–14 days; plan reviewed.

• Months 1–3: methylation and antioxidant support introduced gradually.

• After 90–100 days of high-level supplementation: re-test vitamins and homocysteine, then adjust.

Questions to Ask Your Doctor

• Can you check my homocysteine level?

• What target should I aim for, given my history?

• Should we check inflammatory markers or cytokines?

• Do I have genetic variants that slow homocysteine clearance?

• Are my intracellular antioxidant levels adequate?

How This Fits With Your Other Care

Lowering homocysteine and calming inflammation work best alongside the standard pillars of heart and vessel health: blood-pressure control, healthy cholesterol and blood sugar, not smoking, and regular activity. I see root-cause care as adding to these, not replacing them.

The Bottom Line

High homocysteine is more than a number. In the lab it switches on IL-8 and MCP-1, inflammatory signals that recruit white blood cells into the artery wall. Lowering homocysteine stops adding fuel; calming the inflammation helps put out what's already burning. My protocol is built to do both.

How Inflammation Shows Up in Everyday Life

Chronic, homocysteine-driven inflammation rarely announces itself. Patients more often describe:

• Fatigue that doesn't match their activity level

• Aching muscles or joints without a clear injury

• Brain fog and poor concentration

• Feeling "puffy," stiff, or slow to recover from exercise or illness

• Blood pressure creeping up despite a healthy lifestyle

None of these are specific, which is why measuring homocysteine, cytokines, and intracellular antioxidants is so useful.

Diet, Lifestyle, and Inflammation

Small, consistent habits lower inflammatory load over time. A diet built on vegetables, legumes, fish, olive oil, nuts, and whole grains supplies folate, B vitamins, and antioxidants. Regular movement improves blood-vessel function. Good sleep and stress management reduce inflammatory signaling. These steps won't replace targeted care for a strong genetic bottleneck, but they make every other part of the plan work better, and they're good for your heart regardless of your genes.

If you've been told your inflammation has no explanation, homocysteine and its cytokines are worth checking. It's a simple blood test, and it may be the missing piece your previous workups didn't look for.

Stop Vascular Cytokine Damage

• Read the science: My textbook HOMOCYSTEINE explains how IL-8 and MCP-1 damage vessel walls and how to stop them.

• Clear homocysteine safely: Our targeted homocysteine-lowering supplement.

• Get a physician-led plan: Schedule an MTHFR doctor consultation.

If you've been told your symptoms don't fit a diagnosis, I'd want to understand how your genes are driving IL-8 and the rest of your cytokine response. That is what my advanced, comprehensive cytokine genetic testing is for. You can read more about it here and decide whether it makes sense for you.

Frequently Asked Questions

How does homocysteine cause inflammation?

Research shows homocysteine makes artery-lining cells release the inflammatory signals MCP-1 and IL-8, which recruit white blood cells into the vessel wall.

What are IL-8 and MCP-1?

They are cytokines (immune signaling proteins). MCP-1 attracts monocytes; IL-8 recruits and activates other white blood cells.

If I lower homocysteine, is my risk gone?

Not necessarily. Trials have been mixed, which is why I also address inflammation.

What is a normal homocysteine level?

Lab ranges vary. Many labs list roughly 5–15 µmol/L as normal; I usually aim lower, below 7.9 µmol/L. Ask your clinician about your target.

How is this different from your 7 Steps article?

The 7 Steps article covers everyday steps to lower homocysteine. This one explains the inflammation behind it and how my protocol targets it.

About the Author Dan Purser MD is a physician who has spent decades researching homocysteine, methylation, and hard-to-diagnose inflammatory illness. He is the author of 30+ books, including the textbook HOMOCYSTEINE and Outlive Your Toxic Genetics, and has authored 23 research manuscripts on homocysteine and inflammation. He has earned 1,400+ five-star reviews across social media. He is the Top-Ranked MD in the USA (by Google Reviews), with more than 1,400 five-star reviews.

Sources (verified on PubMed):

• Poddar R, et al. Homocysteine induces expression and secretion of monocyte chemoattractant protein-1 and interleukin-8 in human aortic endothelial cells. Circulation. 2001. https://pubmed.ncbi.nlm.nih.gov/11390343/

• Homocysteine Studies Collaboration. Homocysteine and risk of ischemic heart disease and stroke: a meta-analysis. JAMA. 2002. https://pubmed.ncbi.nlm.nih.gov/12387654/

• HOPE-2 Investigators. Homocysteine lowering with folic acid and B vitamins in vascular disease. N Engl J Med. 2006. https://pubmed.ncbi.nlm.nih.gov/16531613/

• Huo Y, et al. Efficacy of folic acid therapy in primary prevention of stroke among adults with hypertension in China: the CSPPT randomized clinical trial. JAMA. 2015. https://pubmed.ncbi.nlm.nih.gov/25771069/

• Mosharov E, et al. The quantitatively important relationship between homocysteine metabolism and glutathione synthesis by the transsulfuration pathway and its regulation by redox changes. Biochemistry. 2000. https://pubmed.ncbi.nlm.nih.gov/11041866/

• Lipton SA, et al. Neurotoxicity associated with dual actions of homocysteine at the N-methyl-D-aspartate receptor. Proc Natl Acad Sci U S A. 1997. https://pubmed.ncbi.nlm.nih.gov/9159176/

• Seshadri S, et al. Plasma homocysteine as a risk factor for dementia and Alzheimer's disease. N Engl J Med. 2002. https://pubmed.ncbi.nlm.nih.gov/11844848/

• Zeng X, et al. Homocysteine mediated expression and secretion of monocyte chemoattractant protein-1 and interleukin-8 in human monocytes. Circ Res. 2003. https://pubmed.ncbi.nlm.nih.gov/12881478/

• Gosset P, et al. Thiol regulation of the production of TNF-alpha, IL-6 and IL-8 by human alveolar macrophages. Eur Respir J. 1999. https://pubmed.ncbi.nlm.nih.gov/10489835/

• Haddad JJ. Redox regulation of pro-inflammatory cytokines and IκB-α/NF-κB nuclear translocation and activation. Biochem Biophys Res Commun. 2002. https://pubmed.ncbi.nlm.nih.gov/12200125/

From Dr. Purser's own work:

• Purser DC. Homocysteine as a Cytokine-Sensitivity Biomarker: A Revised Mechanistic Framework Integrating Genetic Risk, Redox State, and Inflammatory Pathways. Purser Wellness, Pleasant Grove, UT.

Medical disclaimer: This article is for educational purposes only and is not a substitute for individualized medical advice, diagnosis, or treatment. Do not start, stop, or change any medication or supplement without talking to your own physician. Supplement dosing is individualized at consultation.

Glutathione Detox: How Your Body Clears Heavy Metals, Mold Toxins, and Pesticides

Short answer: Glutathione detox refers to your body's own cleanup system, not a cleanse product. Research shows glutathione can bind heavy metals like mercury, lead, cadmium, and arsenic so cell pumps can move them out for excretion. Glutathione is also central to how the liver neutralizes mold toxins and organophosphate pesticides, through enzymes called glutathione S-transferases and a urinary exit route called the mercapturic acid pathway.

Why this matters in the Hashimoto's conversation

Gary Brecka, a gifted communicator, has popularized the idea that mold, metals, and other toxins hide in the thyroid and drive Hashimoto's. He is right that toxins matter and that you should "test, don't guess." At Purser Wellness, we add a question: if two people have the same exposure, why does one clear it better? One likely answer is glutathione, the body's main built-in antioxidant and a central part of its Phase II cleanup system.

To be clear up front: no published study shows that taking glutathione removes toxins in people with Hashimoto's. What follows is the body's mechanism, and where the evidence is strong or thin.

How glutathione handles heavy metals (well supported)

Glutathione has a sulfur "hook," called a thiol group. Metals such as mercury, lead, cadmium, and arsenic are drawn to sulfur.

• Binding and export: A 2021 review in Metallomics (https://doi.org/10.1093/mtomcs/mfab015) explains that once a metal is bound to glutathione, transport pumps called MRP1 and MRP2 can push that package out of the cell, toward bile and urine.
• A natural chelator: A 2013 review in The Scientific World Journal (https://doi.org/10.1155/2013/219840) describes glutathione as one of the body's natural chelators, helping to grab, move, and excrete toxic metals.
• Binding, with a caveat: A 2015 review in Toxics (https://doi.org/10.3390/toxics3010020) confirms that these metals bind glutathione. That paper is mainly about how metals cause harm, not how they're cleared, so we use it only for the binding point.

Glutathione is a supporting part of the body's defenses. It is not a replacement for established medical chelation when a doctor diagnoses metal poisoning.

Mold toxins: how glutathione neutralizes them

Mold toxins (mycotoxins) include aflatoxins from Aspergillus, ochratoxin A, and trichothecenes from Stachybotrys and Fusarium. Published research describes these toxins as cleared mainly through glutathione-dependent enzyme pathways (Claus et al., 2016; Guilford, 2014). Here's how that works, step by step.

• Neutralizing the dangerous form. After the liver's Phase I enzymes (cytochrome P450) process a mold toxin, it can become briefly more reactive. Aflatoxin B1, for example, becomes aflatoxin B1-8,9-epoxide, a form that can latch onto proteins and DNA. Glutathione S-transferase (GST) enzymes inside the cell use reduced glutathione to bind that reactive form and neutralize it (Claus et al., 2016; Guilford, 2014).
• The "double-hit" depletion trap. Mold toxins use up glutathione as they are neutralized. At the same time, they turn down glutamate-cysteine ligase (GCL), the rate-limiting enzyme the body uses to make new glutathione. The result is a lasting shortfall inside cells that can leave them vulnerable and stall further clearance (Guilford, 2014).
• Out through the urine. Once bound to glutathione, the toxin package is pumped out of liver cells by transporters called MRP2 (ABCC2). Enzymes in the liver and kidneys, including gamma-glutamyltransferase (GGT) and dipeptidases, then trim the package down, and a final step adds an acetyl group. That creates water-soluble mercapturic acids that leave the body in urine (Claus et al., 2016).

Pesticides: how glutathione helps clear organophosphates

Organophosphate insecticides such as chlorpyrifos, malathion, and parathion disrupt nerve signaling by blocking acetylcholinesterase. But how the body eliminates them is largely controlled by glutathione metabolism (Huang et al., 2012; Pearson & Patel, 2016).

• Breaking the pesticide down. GST enzymes use reduced glutathione to pull side groups off the organophosphate's core. This turns a fat-soluble nerve toxin into inactive, water-friendly breakdown products and glutathione conjugates (Huang et al., 2012).
• Protecting the mitochondria. As the body processes organophosphates, it generates reactive oxygen species that can impair the mitochondria's energy production and damage cell membranes. Reduced glutathione helps protect liver and nerve cells from that injury during clearance (Pearson & Patel, 2016).
• The same urinary exit. Like mold toxins, pesticide-glutathione conjugates move through the mercapturic acid pathway and leave in urine as dialkylphosphates (DAPs) and mercapturic acids. Those are the same markers used to measure pesticide exposure (Huang et al., 2012; Pearson & Patel, 2016).

The bigger picture: when mold toxins or pesticides enter the body, they drain glutathione and slow the making of more. That creates a bottleneck. Restoring reduced glutathione inside cells may relieve that bottleneck so detox and export through bile and urine can proceed (Claus et al., 2016; Guilford, 2014; Sears, 2013).

Why formulation and stability matter

Not all glutathione reaches the place it's needed.

• Standard glutathione breaks down easily. Plain reduced glutathione is unstable. In water or stomach acid it oxidizes to its "spent" form (GSSG), and enzymes in the gut, especially GGT, break it into its three amino acids before it can be absorbed intact (Sinha et al., 2017).
• The work happens inside cells. The GST detox enzymes live mainly inside cells, not in the bloodstream (Limongi et al., 2019; Sinha et al., 2017). So what matters is raising glutathione inside cells.
• Protected forms can get there. Formulations protected by lipid (liposomal) carriers have been shown to raise glutathione stores in blood cells substantially, up to about 100% in some measures (Sinha et al., 2017; Limongi et al., 2019).

In my clinical experience, delivering a stabilized, bioavailable form of reduced glutathione, such as VARS Glutathione, appears to speed clearance of mold toxins and pesticides in my clients. That observation fits the established biochemistry above, but VARS Glutathione has not been studied under that name in published trials.

Phase I and Phase II, in plain English

Think of detox as a two-step assembly line, mostly in your liver. In Phase I, enzymes change a chemical so it has a "handle" to grab. That step can briefly make some compounds more reactive. In Phase II, the body attaches a carrier molecule to that handle so the compound becomes easier to flush out in bile or urine. Glutathione is one of the most important Phase II carriers, and glutathione-transferase (GST) enzymes help make the attachment.

Metals work a little differently. They don't need Phase I. They latch directly onto glutathione's sulfur hook, and transport pumps move the package out of the cell, as the Metallomics review above describes.

This is also why glutathione gets "used up." Every time it binds a metal or neutralizes an oxidant, the body has to recycle it or make more. If exposure is high, or production runs low, supply may lag behind demand. That gap, not the toxin alone, may be part of why two people with the same exposure can feel very different.

What glutathione detox is not

It isn't a foot bath, a juice cleanse, or a sweat tent. It isn't proof that any product will pull toxins out of your body. And it isn't a reason to skip finding and removing the source of an exposure. The most reliable detox step is often the simplest: stop the exposure, then let your body's own system catch up.

Why clearance may differ between people

This is my clinical view, not a finding from the papers above. Homocysteine sits at a fork where one path, transsulfuration, feeds glutathione production. In my practice, I believe transsulfuration supplies well over half, and often most, of the cysteine used to make glutathione. Some studies suggest roughly a 50% drop in glutathione production with homocysteine genetic disease; in my clinical experience, it's closer to 80–90%. If that path is disrupted, glutathione may run lower and clearance may be slower. Clients with mold or heavy-metal concerns often show signs of this.

7 steps to support your body's glutathione detox system

1. Start with history. List likely exposures: home water, older paint, fish intake, work chemicals, water damage, or mold.
2. Test, don't guess. Ask your clinician which exposure tests fit your history.
3. Check homocysteine. It offers a window into the pathway that feeds glutathione.
4. Consider methylation genetics. MTHFR and related genes may affect this pathway. See https://danpursermd.com.
5. Check selenium status. Glutathione peroxidase enzymes rely on selenium.
6. Reduce ongoing exposure. Clearing toxins works better when you aren't refilling the bucket.
7. Plan and retest with your clinician. Decide together whether glutathione support makes sense, then retest to see what changed.

Checklist: before you try any "detox"

• ☐ Do I know what I was exposed to, or am I guessing?
• ☐ Has a CLIA-certified lab measured it?
• ☐ Have I checked homocysteine and methylation genes?
• ☐ Have I checked selenium status?
• ☐ Have I removed the exposure source where possible?
• ☐ Has my doctor reviewed any product or protocol?
• ☐ Do I have a plan to retest?

Comparison: how strong is the evidence?

Toxin type	What glutathione does	Key sources	Strength
Heavy metals (Hg, Pb, Cd, As)	Binds metals; MRP1/MRP2 export	Pearson & Cowan 2021; Sears 2013; Rubino 2015 (binding only)	Supported mechanism
Organophosphate pesticides	GST breakdown; mitochondrial protection; mercapturic acid excretion	Huang 2012; Pearson & Patel 2016; Rodrigues 2022	Supported mechanism
Mold toxins (mycotoxins)	GST conjugation; mercapturic acid excretion; GSH depletion	Claus 2016; Guilford 2014	Supported mechanism
Hashimoto's outcomes	Unknown in published trials	None	Clinical experience only

A note on products

Many "detox" products and IV clinics market glutathione, and absorption and quality vary. As explained above, protected, stabilized forms are more likely to raise glutathione inside cells. Specific branded products, including VARS Glutathione, have not been studied under that name in published trials; what I describe about VARS is my clinical observation. Ask your doctor before trying any product.

How Purser Wellness can help

Purser Wellness offers counseling via Zoom and CLIA-certified lab testing, including methylation genetics and homocysteine. Visit https://danpursermd.com or email info@danpursermd.com.

Talk with your doctor: This article is educational and not medical advice. Talk with your doctor before starting supplements, detox protocols, or chelation.

Read more in my KevinMD article, Homocysteine and glutathione: the detox link we skip.

FAQs

What is glutathione detox? It is your body's own cleanup system. Glutathione binds certain toxins, especially heavy metals, so cell pumps can move them out for excretion. It isn't a cleanse product.

Does glutathione remove heavy metals? Research shows glutathione binds mercury, lead, cadmium, and arsenic, and cell pumps export those packages. It supports the body's defenses but is not a substitute for medical chelation.

Does glutathione clear pesticides or mold toxins? Research shows glutathione enzymes neutralize mold toxins and organophosphate pesticides, which then leave in urine as mercapturic acids. These toxins also drain glutathione, so supply matters.

Is glutathione detox linked to Hashimoto's? Possibly, but unproven. Toxins may play a role, and clearance capacity may vary. No published study yet shows glutathione removes toxins specifically in people with Hashimoto's.

How do I know if my detox system is struggling? You can't tell by guessing. Ask your clinician about exposure testing, homocysteine, methylation genes, and selenium, using a CLIA-certified lab.

References

• Claus SP, Guillou H, Ellero-Simatos S. (2016). The gut microbiota: a major player in the toxicity of environmental pollutants? npj Biofilms and Microbiomes, 2, 16003. https://doi.org/10.1038/npjbiofilms.2016.3
• Guilford FT. (2014). Deficient glutathione in the pathophysiology of mycotoxin-related illness. Toxins, 6(2), 608–623. https://doi.org/10.3390/toxins6020608
• Huang H, Yao H, Liu J-Y, et al. (2012). Development of pyrethroid-like fluorescent substrates for glutathione S-transferase. Analytical Biochemistry, 431(2), 77–83. https://doi.org/10.1016/j.ab.2012.09.011
• Limongi D, Baldelli S, Checconi P, et al. (2019). GSH-C4 acts as anti-inflammatory drug in different models of canonical and cell autonomous inflammation through NFκB inhibition. Frontiers in Immunology, 10. https://doi.org/10.3389/fimmu.2019.00155
• Pearson JN, Patel M. (2016). The role of oxidative stress in organophosphate and nerve agent toxicity. Annals of the New York Academy of Sciences, 1378(1), 17–24. https://doi.org/10.1111/nyas.13115
• Pearson SA, Cowan JA. (2021). Metallomics. https://doi.org/10.1093/mtomcs/mfab015
• Rodrigues JA, et al. (2022). Neurotoxicity Research. https://doi.org/10.1007/s12640-022-00534-2
• Rubino FM. (2015). Toxics (binding only). https://doi.org/10.3390/toxics3010020
• Sears ME. (2013). Chelation: harnessing and enhancing heavy metal detoxification—a review. The Scientific World Journal, 2013, 219840. https://doi.org/10.1155/2013/219840
• Sinha R, Sinha I, Calcagnotto A, et al. (2017). Oral supplementation with liposomal glutathione elevates body stores of glutathione and markers of immune function. European Journal of Clinical Nutrition, 72, 105–111. https://doi.org/10.1038/ejcn.2017.132

Glutathione and Hashimoto’s: The Missing Piece in the Toxin Conversation

Short answer: Research on glutathione and Hashimoto's suggests that people with Hashimoto's often have lower glutathione, and lower levels have tracked with higher thyroid antibodies. That is a link, not proof of cause. Hashimoto's antibodies are described in research as driven by inflammation signals called cytokines, and glutathione may help calm those signals. Toxins may matter, but your ability to clear them and quiet inflammation may matter just as much.

Gary Brecka is half right

Gary Brecka is a gifted communicator. In a widely shared clip, he says mold, mycotoxins, heavy metals, parasites, and viruses can hide in thyroid cells and drive Hashimoto's. He is right that toxic exposures matter, and his advice to "test, don't guess" is good advice.

At Purser Wellness, the question we add is one step deeper: why can some people clear those exposures and calm the inflammation, while others can't? The published research points to two pieces that often get left out: cytokines and glutathione.

What is happening in Hashimoto's?

Hashimoto's is an autoimmune condition. Your immune system makes antibodies against your own thyroid. The best known are TPO antibodies, which target thyroid peroxidase, the enzyme your thyroid uses to make hormone. Thyroglobulin antibodies are also commonly checked.

Cytokines are the immune system's text messages. Some, like IL-6 and TNF-alpha, tell the body to turn inflammation up. A 2011 review in the Journal of Interferon & Cytokine Research (https://doi.org/10.1089/jir.2011.0049) and a 2024 review in the International Journal of Molecular Sciences (https://doi.org/10.3390/ijms25136883) describe how these signals help drive the immune attack on the thyroid. IL-6, for example, helps turn B cells into antibody factories, and other signals can make thyroid cells look like targets.

Where glutathione fits

Glutathione is your body's main built-in antioxidant and a key detox helper. Your thyroid uses hydrogen peroxide to make hormone, so it needs a strong cleanup crew. That crew is glutathione plus the glutathione peroxidase (GPx) enzymes, which depend on selenium.

• A 2013 study in Clinical Biochemistry (https://doi.org/10.1016/j.clinbiochem.2012.11.021) found that people newly diagnosed with Hashimoto's had lower glutathione than healthy controls, and lower glutathione tended to go with higher TPO antibodies. This shows a correlation, not cause.
• A 2022 review in the International Journal of Molecular Sciences (https://doi.org/10.3390/ijms23126580) describes the same oxidative-stress pattern in Hashimoto's.
• A 2022 review in Frontiers in Endocrinology (https://doi.org/10.3389/fendo.2022.904889) explains that when antioxidant defenses fall short, extra oxidative stress may damage thyroid proteins and make them more likely to be targeted.

Not every study agrees. Some have found no clear difference in blood glutathione, which is one more reason to test rather than assume.

Why might glutathione run low?

This section is my clinical view, not a finding from the papers above. Homocysteine sits at a fork in the road. One path, called transsulfuration, turns it into the building blocks of glutathione. In my practice, I believe transsulfuration supplies well over half, and often most, of the cysteine used to make glutathione. Some studies suggest roughly a 50% drop in glutathione production with homocysteine genetic disease; in my clinical experience, it's closer to 80–90%. When that path is disrupted, glutathione production may drop. Clients with mold or heavy-metal concerns often show signs of this kind of disruption.

Can restoring glutathione calm inflammation?

The research here is early, and each study has limits worth naming:

• Lab compound, not a supplement: A 2019 study in Frontiers in Immunology (https://doi.org/10.3389/fimmu.2019.00155) found that a lab compound called GSH-C4 helped turn down NF-kB, a master inflammation switch, in lab and animal models. GSH-C4 is not a supplement you can buy, and it was not tested in people with Hashimoto's.
• Animal study: A 2010 study in the American Journal of Pathology (https://doi.org/10.2353/ajpath.2010.091253) found that N-acetylcysteine (NAC), which helps the body make glutathione, protected thyroid tissue in mice with autoimmune thyroiditis. Animal results may not carry over to people.
• Healthy adults: A 2017 study in the European Journal of Clinical Nutrition (https://doi.org/10.1038/ejcn.2017.132) found that oral liposomal glutathione raised glutathione stores and some immune markers in healthy adults. It did not include people with Hashimoto's.

Together, these suggest glutathione may help calm inflammation. In our clinical experience, restoring glutathione has matched improvements we see on clients' labs, but that is experience, not a published trial.

Why "test, don't guess" still wins

Brecka's best advice applies to this pathway too. Glutathione, homocysteine, selenium, and antibodies vary from person to person, so guessing at supplements can miss the real issue or add things you don't need. Testing first gives you and your clinician a baseline. Retesting later shows whether anything actually changed. That's how you separate what helps you from what just sounds good online. It also keeps the conversation with your doctor grounded in your own numbers, not a viral clip.

7 steps to explore the glutathione and Hashimoto's connection

1. Get the full thyroid picture. Ask for TSH, free T4, free T3, and reverse T3, not TSH alone.
2. Check your antibodies. TPO and thyroglobulin antibodies help confirm Hashimoto's and give you a baseline to track.
3. Look at homocysteine. It is a simple blood test and a window into the pathway that feeds glutathione.
4. Consider methylation genetics. MTHFR and related genes may affect how well this pathway runs. Learn more at https://danpursermd.com.
5. Check selenium status. Glutathione peroxidase needs selenium; ask your clinician whether testing makes sense before supplementing.
6. Review exposures honestly. As Brecka says, test, don't guess: think about mold, water, and work exposures, and test where it fits.
7. Make a plan with your clinician. Discuss whether supporting glutathione makes sense for you, retest, and never stop thyroid medication on your own.

Checklist: labs to ask your clinician about

• ☐ TSH, free T4, free T3, reverse T3
• ☐ TPO antibodies
• ☐ Thyroglobulin antibodies
• ☐ Homocysteine
• ☐ MTHFR and related methylation genes
• ☐ Selenium status
• ☐ Exposure testing where your history suggests it
• ☐ CLIA-certified lab for every test

Comparison: toxin-only view vs. pathway view

Question	Toxin-only view	Pathway view (toxins + cytokines + glutathione)
What drives Hashimoto's?	Hidden toxins in the thyroid	Cytokine-driven antibodies; toxins may add to the load
Main focus	Finding and removing toxins	Clearance capacity and inflammation signals too
Key labs	Toxin panels	Thyroid panel, antibodies, homocysteine, genetics, selenium
Role of glutathione	Often not discussed	May help clear toxins and calm inflammation
Evidence level	Exposure research varies	Correlation and lab/animal data; human trials still needed
Shared ground	Test, don't guess	Test, don't guess

How Purser Wellness can help

Purser Wellness offers counseling via Zoom and CLIA-certified lab testing, including methylation genetics and homocysteine. Learn more at https://danpursermd.com or email info@danpursermd.com.

Talk with your doctor: This article is educational and not medical advice. Talk with your doctor before starting supplements or changing any thyroid treatment.

FAQs

Is glutathione low in Hashimoto's? Some studies found lower glutathione in people newly diagnosed with Hashimoto's, with lower levels tracking higher TPO antibodies. Other studies found no clear difference. It is a correlation, not proof of cause.

Can glutathione lower thyroid antibodies? It may help, but there are no published trials in people with Hashimoto's yet. Lab, animal, and healthy-adult studies are encouraging. Discuss it with your clinician.

Is Gary Brecka right about toxins and Hashimoto's? Partly. Toxins may matter, and "test, don't guess" is good advice. Research also points to cytokine-driven inflammation and your ability to clear toxins, which involves glutathione.

What labs should I ask for? Ask about a full thyroid panel, TPO and thyroglobulin antibodies, homocysteine, methylation genes like MTHFR, and selenium status, using a CLIA-certified lab.

Should I stop my thyroid medication if I try glutathione? No. Never stop or change thyroid medication on your own. Glutathione support, if appropriate, is something to discuss with your doctor alongside your current treatment.

References

• Ganesh BB et al. J Interferon Cytokine Res. 2011. https://doi.org/10.1089/jir.2011.0049
• Wrońska K et al. Int J Mol Sci. 2024. https://doi.org/10.3390/ijms25136883
• Rostami R et al. Clin Biochem. 2013 (correlation). https://doi.org/10.1016/j.clinbiochem.2012.11.021
• Mikulska AA et al. Int J Mol Sci. 2022. https://doi.org/10.3390/ijms23126580
• Zhou Q et al. Front Endocrinol. 2022. https://doi.org/10.3389/fendo.2022.904889
• Limongi D et al. Front Immunol. 2019 (lab compound GSH-C4). https://doi.org/10.3389/fimmu.2019.00155
• Poncin S et al. Am J Pathol. 2010 (animal, NAC). https://doi.org/10.2353/ajpath.2010.091253
• Sinha R et al. Eur J Clin Nutr. 2017 (healthy adults). https://doi.org/10.1038/ejcn.2017.132

Homozygous MTHFR C677T & A1298C: High-Risk Variants and Your Cardiovascular Health

By Dan Purser MD

There's a big clinical difference between having one copy of an MTHFR mutation (heterozygous) and having two copies (homozygous). If your lab results show you are homozygous C677T or homozygous A1298C, you can't afford to rely on internet guesswork, trial-and-error supplements, or a local doctor who dismisses genetics.

Heterozygous vs. Homozygous: What It Means

You inherit one copy of the MTHFR gene from each parent.

• Heterozygous: one variant copy, one typical copy.

• Homozygous: two variant copies.

• Compound heterozygous: one C677T and one A1298C.

How much does enzyme activity drop?

Homozygous mutations are severe bottlenecks. At this level, enzyme efficiency can drop substantially. The original 1995 research found that people with two copies of C677T had roughly 30% of normal enzyme activity in lab testing, versus about 65% for one copy (Frosst et al., 1995). That matches the "70% drop" figure I use for homozygous C677T. My textbook puts homozygous C677T at a 30–70% reduction in enzyme activity. A1298C is different: on its own it has a milder effect, but it becomes significant when combined with C677T (compound heterozygosity) (Purser, Genetic Architecture of Hyperhomocysteinemia).

The Cardiovascular Stakes of Unmanaged Homozygous Genetics

When your methylation pathway is this restricted, homocysteine can build up to harmful levels. This isn't just about feeling tired. Severe hyperhomocysteinemia is associated with heart attacks, strokes, hypertension, and kidney disease.

A major meta-analysis found that higher homocysteine was associated with greater risk of ischemic heart disease and stroke (Homocysteine Studies Collaboration, 2002). Reviews tie high homocysteine to hypertension through impaired nitric oxide and stiffer arteries (Sen et al., 2010), and kidney disease and homocysteine feed each other, since failing kidneys clear less of it (Friedman et al., 2001).

Silent damage

Worse, this vascular damage can be silent. Your doctor might run a standard lipid panel and tell you your cholesterol is fine, missing the cytokine-driven damage in your blood vessels. Homocysteine has been shown to make the cells lining human arteries release MCP-1 and IL-8, two inflammatory signals tied to plaque (Poddar et al., 2001).

What the trials say

To be balanced: trials that lowered homocysteine with B vitamins have had mixed results. HOPE-2 did not reduce overall cardiovascular events (HOPE-2 Investigators, 2006), while CSPPT found fewer first strokes when folic acid was added to blood-pressure treatment (Huo et al., 2015). I believe the missing piece is addressing the inflammation, not only the number.

The Need for a Physician-Led Protocol

Over my decades of practice, I have treated very complex homozygous cases using precise biochemistry. You can't treat a double mutation with a single vitamin.

What a structured protocol includes

Safely managing this genetic risk requires a structured plan to lower high homocysteine:

1. Measure intracellular nutrient absorption to see what your cells actually lack.

2. Use intracellular antioxidants like SOD and glutathione to help protect blood vessels.

3. Carefully titrate active methyl donors to avoid pushing your nervous system into overmethylation.

4. Monitor homocysteine and adjust over time.

Dosing is individualized at consultation.

Questions to ask your doctor

• What is my homocysteine level, and what's my target?

• Do I have other methylation variants beyond MTHFR?

• Should my family members be tested?

• How often should we re-check?

For daily food and lifestyle steps, read How to Lower Homocysteine Naturally: 7 Steps.

Beyond MTHFR: Other Genes in the Pathway

MTHFR is the best-known gene, but it isn't alone. Other genes involved in B12 handling, homocysteine recycling, and the transsulfuration pathway can add to the bottleneck. That's why the curated methylation panel I designed looks at the pathway as a whole rather than a single gene. The 22 homozygous SNPs I track include MTHFR C677T and A1298C plus variants in AHCY, BHMT, CBS (two), CTH, FOLH1, GGH (three), GNMT, MAT1A, MTHFD1, MTHFD1L, MTHFS, MTR, MTRR (two), SHMT1, SLC19A1, and TCN2 (Purser, Genetic Architecture of Hyperhomocysteinemia).

Riboflavin: A Key Helper for Homozygous C677T

The enzyme made by the C677T variant is unstable partly because it holds on to its riboflavin (B2) helper less tightly. In people homozygous for C677T, riboflavin lowered homocysteine, particularly when riboflavin status was low (McNulty et al., 2006). It's one of the clearest examples of nutrition working with genetics.

Who Should Get Tested

• Anyone with high homocysteine

• People with early heart attack, stroke, or clots in themselves or close relatives

• Relatives of someone known to be homozygous

• Women with a history of recurrent pregnancy loss; a meta-analysis linked high homocysteine to recurrent early pregnancy loss (Nelen et al., 2000)

• Patients with unexplained chronic inflammation

If you're in that last group and keep hearing that everything "looks normal," your genes are worth checking. A standard panel won't tell you whether you carry one copy of a variant or two.

What Your Results Mean

Homozygous C677T (TT)

Markedly reduced enzyme activity and a higher chance of high homocysteine. A priority for structured care.

Homozygous A1298C (CC)

Generally a milder effect on homocysteine than TT, but it still matters, especially with other variants. My textbook describes A1298C as mild on its own but significant when combined with C677T (Purser, Genetic Architecture of Hyperhomocysteinemia).

Compound heterozygous (one of each)

Can behave somewhere in between.

Homocysteine level

Tells me how the genetics are actually playing out in your body right now.

Intracellular results typically come back in 10–14 days. Vitamin re-testing should come after 90–100 days of high-level supplementation.

An Example

A 49 yo woman learned she was homozygous C677T after her brother had a stroke at 46. Her homocysteine was well above range, although she felt mostly fine. Active folate and B12, riboflavin and B6, antioxidant support and blood pressure coordination with her primary doctor dropped her homocysteine substantially (this was probably NOT a genetically caused homocysteine problem).

Living With Homozygous MTHFR

Your genes don't change, but your outcome isn't fixed. Most people with homozygous variants can keep homocysteine in a healthy range with consistent support, monitoring, and healthy habits: not smoking, staying active, controlling blood pressure, and eating whole foods. For daily steps, see How to Lower Homocysteine Naturally: 7 Steps.

Talking to Your Family

Because MTHFR variants are inherited, your result may matter for parents, siblings, and children. If you're homozygous, each of your children inherited at least one copy from you. Consider sharing your results and encouraging relatives, especially those with heart disease, stroke, or clotting history, to discuss homocysteine testing with their doctors.

Emergency Warning Signs

Homozygous MTHFR doesn't cause symptoms you can feel day to day, but its complications can be sudden. Call 911 for:

• Chest pain or pressure

• Sudden weakness or numbness, especially on one side

• Trouble speaking or understanding speech

• Sudden severe headache or vision loss

• A painful, swollen leg or sudden shortness of breath

Myths About Homozygous MTHFR

Myth: Homozygous means a heart attack is inevitable. It means higher risk, especially with high homocysteine. Managing it changes the picture.

Myth: If I feel fine, I don't need to do anything. Vascular damage can be silent.

Myth: Folic acid from fortified bread covers it. For many homozygous patients, active forms and cofactors work better.

Myth: Testing once is enough. Re-check homocysteine and vitamin levels after 90–100 days of high-level supplementation, and periodically after that.

Working With Your Other Doctors

I encourage patients to share their results and plan with their primary doctor, cardiologist, or obstetrician. Good care is coordinated care, and lowering homocysteine works best alongside blood-pressure, cholesterol, and blood-sugar management.

Questions to Bring to Your Consultation

• Am I homozygous, heterozygous, or compound heterozygous?

• What is my homocysteine level today, and what's our target?

• Which cofactors are low inside my cells?

• Should my relatives be tested?

• How will we coordinate with my cardiologist or primary doctor?

The Bottom Line

Two copies of an MTHFR variant is a reason for structured care, not panic. Measure homocysteine, test what your cells need, support the pathway carefully, and re-test after 90–100 days of high-level supplementation. With the right plan, most people can keep their numbers where they should be.

Why Homocysteine Matters for Your Kidneys and Blood Pressure

Patients with homozygous MTHFR often ask whether their genes affect their kidneys or blood pressure. In my experience, high homocysteine often travels with hypertension and kidney strain, and kidney disease itself tends to raise homocysteine, creating a cycle. Published reviews support both directions: kidney disease reduces homocysteine clearance (Friedman et al., 2001), and high homocysteine is linked to hypertension through impaired nitric oxide signaling (Sen et al., 2010). If you have kidney disease, your supplement plan should be coordinated with your nephrologist, because some nutrients need adjustment when kidney function is reduced.

Diet Still Counts

Even with a strong genetic bottleneck, food matters. Leafy greens, beans, lentils, eggs, and other whole foods supply natural folate, B vitamins, and cofactors. Highly processed foods add little and, when fortified, bring the synthetic folic acid many homozygous patients do better limiting. For practical food steps, see my 7 Steps guide.

Knowledge is protective. Knowing you're homozygous gives you a head start most people never get: the chance to measure, monitor, and act long before a problem becomes an emergency.

Take Your Genetic Risk Seriously

• Stop guessing with your health: If you have a homozygous mutation, schedule an MTHFR doctor consultation.

• Understand the cardiovascular threat: Read HOMOCYSTEINE.

• Get tested at the cellular level: Book an intracellular micronutrient testing consultation.

If heart disease, stroke, or clots run in your family, or you've simply been told your labs are fine while you feel anything but, knowing your genotype takes the guesswork out. My DRP Genetic Test looks at MTHFR along with the methylation, detox, and inflammation genes I find most useful, and it comes with a consult with me so we can walk through what your results actually mean for you.

Frequently Asked Questions

How often should homocysteine be re-checked?

Results typically come back in 10–14 days; re-test vitamins after 90–100 days of high-level supplementation.

Is homozygous MTHFR C677T serious?

It can be. Two copies sharply reduce enzyme activity and raise the chance of high homocysteine, which is associated with heart disease and stroke.

What's the difference between C677T and A1298C?

They are different spots in the same gene. C677T generally has a larger effect on enzyme activity and homocysteine.

Does homozygous MTHFR mean I'll have a heart attack?

No. It raises risk, especially if homocysteine is high. Managing homocysteine and inflammation is the goal.

Should my children be tested?

Discuss it with your physician. Because the gene is inherited, family testing is often reasonable.

How is homozygous MTHFR treated?

With a structured, physician-led plan: testing, active nutrient forms, antioxidant support, careful dosing, and monitoring.

About the Author Dan Purser MD is a physician who has spent decades researching homocysteine, methylation, and hard-to-diagnose inflammatory illness. He is the author of 30+ books, including the textbook HOMOCYSTEINE and Outlive Your Toxic Genetics, and has authored 23 research manuscripts on homocysteine and inflammation. He has earned 1,400+ five-star reviews across social media. He is the Top-Ranked MD in the USA (by Google Reviews), with more than 1,400 five-star reviews.

Sources (verified on PubMed):

• Frosst P, et al. A candidate genetic risk factor for vascular disease: a common mutation in methylenetetrahydrofolate reductase. Nat Genet. 1995. https://pubmed.ncbi.nlm.nih.gov/7647779/

• Homocysteine Studies Collaboration. Homocysteine and risk of ischemic heart disease and stroke: a meta-analysis. JAMA. 2002. https://pubmed.ncbi.nlm.nih.gov/12387654/

• Poddar R, et al. Homocysteine induces expression and secretion of monocyte chemoattractant protein-1 and interleukin-8 in human aortic endothelial cells. Circulation. 2001. https://pubmed.ncbi.nlm.nih.gov/11390343/

• HOPE-2 Investigators. Homocysteine lowering with folic acid and B vitamins in vascular disease. N Engl J Med. 2006. https://pubmed.ncbi.nlm.nih.gov/16531613/

• Huo Y, et al. Efficacy of folic acid therapy in primary prevention of stroke among adults with hypertension in China: the CSPPT randomized clinical trial. JAMA. 2015. https://pubmed.ncbi.nlm.nih.gov/25771069/

• McNulty H, et al. Riboflavin lowers homocysteine in individuals homozygous for the MTHFR 677C->T polymorphism. Circulation. 2006. https://pubmed.ncbi.nlm.nih.gov/16380544/

• Nelen WL, et al. Hyperhomocysteinemia and recurrent early pregnancy loss: a meta-analysis. Fertil Steril. 2000. https://pubmed.ncbi.nlm.nih.gov/11119750/

• Sen U, et al. Homocysteine to hydrogen sulfide or hypertension. Cell Biochem Biophys. 2010. https://pubmed.ncbi.nlm.nih.gov/20387006/

• Friedman AN, et al. The kidney and homocysteine metabolism. J Am Soc Nephrol. 2001. https://pubmed.ncbi.nlm.nih.gov/11562419/

From Dr. Purser's own work:

• Purser DC. Genetic Architecture of Hyperhomocysteinemia: Mechanisms, 22 Polymorphisms, and Clinical Implications. Chapter in HOMOCYSTEINE (textbook).

Medical disclaimer: This article is for educational purposes only and is not a substitute for individualized medical advice, diagnosis, or treatment. Do not start, stop, or change any medication or supplement without talking to your own physician. Supplement dosing is individualized at consultation.

How to Lower Homocysteine Naturally: 7 Steps From the Author of the New HOMOCYSTEINE Textbook

You've been told your labs are "normal." Yet you're exhausted, foggy, anxious, and aching, and nobody can tell you why. In more than 43 years of practice, I've seen this story over and over. Very often the missing piece is a lab value most doctors never order: homocysteine.

I wrote my new textbook, HOMOCYSTEINE, because this marker is ignored far too often. Here's the short version of how to lower homocysteine safely.

What Is High Homocysteine and Why Should You Care?

Homocysteine is an amino acid your cells make every day during methylation. In a healthy body it gets recycled quickly, either back into methionine (which needs folate and B12) or down the transsulfuration pathway into cysteine and glutathione (which needs B6).

When that recycling stalls, homocysteine builds up. I think of high homocysteine as a biochemical alarm. It's tied to vascular injury and inflammation, and I explain the cytokine connection in depth on my homocysteine and inflammation page.

How to Lower Homocysteine: 7 Steps

Step 1: Test, Don't Guess

You can't fix what you haven't measured. Start with a fasting plasma total homocysteine blood test. It also helps to check:

• Serum B12 and methylmalonic acid (MMA), a more sensitive sign of B12 deficiency

• Serum or RBC folate

• Kidney function and thyroid status, since both affect homocysteine

Blood levels only show part of the picture. My CMA intracellular micronutrient testing measures what's inside your cells, including B6, B12, and folate.

Step 2: Know Your Genes (MTHFR and Beyond)

The MTHFR enzyme makes the active folate your body uses to recycle homocysteine. Common variants such as C677T and A1298C can slow that step down. But MTHFR is only one gene. CBS, MTR, MTRR, and other genes in the pathway matter too.

My DRP Genetic Test + Consult is a simple cheek swab that maps these methylation and transsulfuration genes. If you're new to this, read my MTHFR protocol and my recent post on MTHFR C677T symptoms and what your doctor missed.

Step 3: Use Active Folate (L-5-MTHF), Not Just Folic Acid

Folate is the workhorse here. A meta-analysis of 12 randomized trials found that folic acid supplements lowered blood homocysteine by about 25%, and adding vitamin B12 lowered it about 7% more (Homocysteine Lowering Trialists' Collaboration, BMJ 1998).

Those trials used synthetic folic acid. For patients with MTHFR variants, I prefer the already-active form, L-5-methyltetrahydrofolate (methylfolate), because it skips the step that MTHFR variants slow down.

I don't publish a one-size-fits-all dose. I set your starting dose and how fast to increase it at your consultation, based on your labs and genes.

Step 4: Pair Methylfolate With the Right B12

Methylfolate can't do its job without B12. Together they drive the enzyme that turns homocysteine back into methionine. That's why I recommend an active methylfolate B12 complex over folate alone. Common active B12 forms include methylcobalamin and hydroxocobalamin.

My MTHFR Daily formula (available in the Purser Wellness store) pairs hydroxocobalamin with a small dose of 5-MTHF. I designed it to be a gentle baseline homocysteine lowering supplement.

A word of caution. More isn't always better. High-dose methylfolate in a system that isn't ready can cause racing heart, insomnia, irritability, and anxiety. Start low and go slow. Read about the signs of overmethylation vs. undermethylation before you increase anything.

Step 5: Don't Forget B6 (P5P) and Riboflavin (B2)

Two cofactors get overlooked all the time:

• Vitamin B6, best as pyridoxal-5'-phosphate (P5P), powers the transsulfuration pathway that turns homocysteine into cysteine and, eventually, glutathione.

• Riboflavin (B2) is the cofactor the MTHFR enzyme itself depends on. In a randomized trial, 1.6 mg/day of riboflavin for 12 weeks lowered homocysteine in people with the MTHFR 677TT genotype. It did not lower it in people with the CT or CC genotypes (McNulty et al., Circulation 2006).

Long-term high-dose B6 can cause nerve problems, so this is a nutrient to dose carefully, not megadose.

I set B6 and riboflavin doses for each patient based on intracellular testing.

Step 6: Consider Betaine (TMG), Carefully

Betaine, also called trimethylglycine or TMG, gives your body a second, folate-independent way to recycle homocysteine. In healthy adults, 1.5–6 g/day of betaine for 6 weeks lowered fasting homocysteine by 12–20% compared with placebo (Olthof et al., J Nutr 2003).

There's a catch your doctor should know about. In the same research group's pooled analysis, 6 g/day of betaine raised LDL cholesterol and triglycerides (Olthof et al., PLoS Med 2005). If you use TMG, keep the dose modest and check your lipids.

Whether TMG belongs in your plan, and at what dose, is something I decide with each patient.

Step 7: Fix the Lifestyle Drivers

Supplements work better when you remove the things that push homocysteine up:

• Eat real folate. Leafy greens, legumes, and beets (a natural source of betaine). Cut back on folic-acid-fortified processed foods if you have an MTHFR variant.

• Don't smoke, and limit alcohol. Both are linked to higher homocysteine.

• Review your medications with your doctor. Metformin and acid-reducing drugs can lower B12 over time. Methotrexate and some anti-seizure drugs interfere with folate. Never stop a prescription on your own.

• Get your thyroid and kidneys checked. Low thyroid function and reduced kidney function can both raise homocysteine.

Why Lowering Homocysteine Is Only Half the Battle

Homocysteine is the warning light. In my experience, the inflammatory cytokines it triggers are what actually damage tissue. That's why my protocols also support glutathione and antioxidant defenses. I explain this in my post on intracellular glutathione vs. serum levels.

In the VITACOG trial, older adults with mild cognitive impairment who took homocysteine-lowering B vitamins had a slower rate of brain atrophy than those on placebo, and the effect was strongest in people whose homocysteine was above 13 μmol/L at the start (Smith et al., PLoS One 2010).

Want the Whole Protocol? Read HOMOCYSTEINE

My new textbook, HOMOCYSTEINE (ISBN 979-8-9946422-0-7, published August 20, 2026), covers the genetics, testing, cytokine cascade, and full treatment protocol I use with patients.

Get your copy of HOMOCYSTEINE →

When to See a Doctor (and Why an MTHFR Doctor Consultation Helps)

Talk to a physician promptly if you have:

• A homocysteine level your lab flags as high, especially a markedly elevated one

• A personal or family history of blood clots, stroke, or early heart disease

• Pregnancy, plans to become pregnant, or recurrent pregnancy loss

• Numbness, tingling, balance problems, or memory changes (possible B12 deficiency)

• Kidney disease, or medications that affect B12 or folate

Chest pain, sudden weakness, trouble speaking, or a swollen, painful leg are emergencies. Call 911.

I see patients in Pleasant Grove, Utah, and remotely by telemedicine worldwide, and nearly 1,500 five-star reviews say this approach works. If you want a plan built around your own genes and cell-level labs, schedule an MTHFR doctor consultation, or read how to prepare for your first telemedicine visit.

Frequently Asked Questions

How long does it take to lower homocysteine?

In the riboflavin trial above, levels dropped over 12 weeks, and in the betaine study changes showed up within 6 weeks. Many clinicians recheck homocysteine about 2–3 months after starting a protocol.

What is the best homocysteine lowering supplement?

There's no single best one. The evidence supports folate plus B12, with B6 and riboflavin as key cofactors and betaine as an option. The right mix depends on your genes and your intracellular levels, which is why I test first.

Should I take folic acid or methylfolate for high homocysteine?

Most of the classic trials used folic acid, and it does lower homocysteine. For people with MTHFR variants, I prefer active methylfolate paired with an active B12, started at a low dose.

Does MTHFR always cause high homocysteine?

No. Many people with MTHFR variants have normal homocysteine, especially if their folate and riboflavin status is good. That's why you need both genetic testing and a homocysteine blood test, not just one.

Can diet alone lower homocysteine?

For mild elevations, a folate- and betaine-rich diet plus no smoking or heavy drinking can help. Genetic variants or true deficiencies usually need targeted, test-guided supplementation.

What are the symptoms of high homocysteine?

Often none of its own. Patients frequently report fatigue, brain fog, or low mood, which may come from the underlying B-vitamin deficiency. Only a blood test tells you your level.

Read more in my KevinMD article, Why doctors should order the homocysteine test more often.

Medical disclaimer: This article is for educational purposes only. It is not medical advice and does not create a doctor-patient relationship. Talk to your own physician before starting supplements, especially if you're pregnant, nursing, have kidney disease, or take prescription medications. Do not stop or change any medication without your doctor's guidance.

God Bless & Go In Good Health — Dan Purser MD

Overmethylation vs. Undermethylation Symptoms: How to Lower High Homocysteine Safely

Starting an MTHFR protocol without knowing your precise biochemical status is like driving blindfolded. I constantly see patients who bought high-dose methylfolate online, took it for three days, and ended up with racing hearts, severe insomnia, or intense irritability.

Understanding overmethylation vs undermethylation symptoms is the difference between feeling vibrant and triggering a multi-week health crash.

Decoding Your Symptoms

• Undermethylation (Low Methyl Pools): Typically presents as high homocysteine, chronic fatigue, heavy depression, environmental allergies, and obsessive traits. Your body lacks the methyl donors required to clear toxins and convert neurotransmitters.

• Overmethylation (Excess Methyl Pools): Typically presents as severe anxiety, panic attacks, sleep deprivation, dry mouth, body heat, and hyper-paranoia. This happens when you flood an unprepared system with more methyl groups than it can process.

A Measured Approach to High Homocysteine

You cannot simply throw random mega-doses of vitamins at a complex genetic mutation. Executing a safe how to lower high homocysteine mthfr protocol requires balancing methyl donors with essential cofactors like B2, B6, zinc, and targeted antioxidants.

Using a properly formulated homocysteine lowering supplement allows you to systematically clear toxic homocysteine without sending your nervous system into overdrive.

Optimize Your Methylation Profile

• Work With an Expert: Stop the guessing game and schedule an official MTHFR doctor consultation for a customized protocol.

• Support Your Pathway: Balance your vascular biochemistry with our targeted homocysteine lowering supplement.

• Read the Research: Order my book HOMOCYSTEINE to see the clinical data behind proper protocol design.

God Bless & Go In Good Health — Dan Purser MD

Intracellular Glutathione vs. Serum Levels: How to Lower Inflammatory Cytokines Naturally

Most doctors run standard serum blood tests, see a "normal" nutrient level, and send you home. But measuring floating nutrients in your liquid serum is like looking at the paint on a house to see if the plumbing works inside.

After reviewing over 40,000 advanced intracellular vitamin lab panels, the truth is clear: intracellular glutathione vs serum levels tell two entirely different stories. Your serum can look completely fine while your cells are completely depleted of the master antioxidant needed to protect your life.

The Cytokine Threat

When methylation breaks down and homocysteine elevates, it acts like sandpaper on the insides of your blood vessels. Your immune system reacts by releasing aggressive inflammatory proteins called cytokines (with a high homocysteine the cytokines created are IL8 and MCP1). 

Cytokines are these little proteins in our body that in microscopic amounts clear out old senescent cells). But with homocysteine genetics these are massively over-produced and the cytokines destroy tissue, accelerate aging, and drive chronic fatigue. If you want to protect your vascular system, learning how to lower inflammatory cytokines naturally is the most critical step you can take.

Only 2 glutathiones worldwide (look at twoglutathiones.com to understand why) have been shown to suppress cytokine formation — and they are the only two with patents worldwide — Glutaryl, and VARS Glutathione. This is the critical tech piece. 7 large studies have now shown that glutathione naturally suppresses ALL cytokines — though you must understand in critical cytokine cases prescription biologics, if approved for that cytokine, can and will save your life.

Why Standard Glutathione Supplements Fail

Many patients try taking over-the-counter reduced glutathione capsules, but the oral reduced glutathione absorption rate for basic supplements is notoriously poor to non-existent. Standard stomach acid breaks plain glutathione down into basic amino acids before it ever reaches your bloodstream or penetrates the cell membrane.

To actually flood your cells with protection, you need an advanced patented delivery method designed to survive digestion and cross the cellular wall — that’s where VARS GLUTATHIONE comes in — it is the only patented oral glutathione that has been shown to be absorbed properly giving high bloods levels of reduced glutathione almost immediately.

Neutralize Cellular Inflammation

• Target Cytokines Directly: Support your cellular detox pathways with micro-encapsulated VARS Glutathione.

• Double Your Vascular Defense: Pair your routine with VARS SOD Capsules to disarm radical superoxides at the cellular level.

• Learn the Protocol: Read HOMOCYSTEINE to understand how to turn off cytokine storms.

God Bless & Go In Good Health — Dan Purser MD

MTHFR C677T Symptoms & The Methylation Paradox: What Your Doctor Missed

If you’ve been struggling with severe chronic fatigue, unexplained anxiety, or cardiovascular red flags, your genes might be trying to tell you something. Millions of patients walk out of traditional clinics with normal blood tests, only to be told their crippling symptoms are "all in their head." If you carry the C677T variant, you aren't crazy—you are dealing with a breakdown in cellular biochemistry.

The Problem With Synthetic Folic Acid

The standard advice from standard doctors is to take synthetic folic acid. For someone with the C677T genetic mutation, this is disastrous.

Your enzyme pathway is physically altered, meaning your body cannot convert synthetic folic acid into active folate. Instead, cheap folic acid sits on your cell receptors, blocking real nutrients from entering. This bottleneck directly triggers MTHFR gene mutation high homocysteine symptoms, leaving your blood vessels exposed to toxic inflammatory spikes while your cells starve for usable energy.

Bypassing the Genetic Blockade

To restore your methylation pathway, you have to bypass the broken enzyme altogether.

• Stop Synthetic Folate: Eliminate fortified processed foods and generic multivitamins containing plain folic acid.

• Fuel the Pathway: You must supply your body with biologically active nutrients. The best methylfolate supplement for mthfr c677t delivers folate in its already-converted, bioactive state (L-5-MTHF).

• Pair with B12: Methylfolate cannot work alone. Combining it with methylcobalamin creates an active methylfolate b12 complex that safely clears the homocysteine traffic jam in your bloodstream.

Take Control of Your Genetics

• Get the Full Guide: Read my textbook, HOMOCYSTEINE, to master the biochemistry of genetic variants.

• Upgrade Your Daily Regimen: Protect your cells daily with our bioavailable MTHFR Daily & Hydroxy B12 + Folinic Acid

• Get Personalized Answers: Schedule an intracellular micronutrient testing consultation to pinpoint your exact nutritional deficiencies.

God Bless & Go In Good Health — Dan Purser MD

The Master MTHFR Protocol Dr. Purser Designed

Your local doctor will likely tell you that MTHFR testing and taking an MTHFR Daily supplement is a waste of money. They might even claim it isn't a real medical issue.

After 15 years of hearing this pap, I can tell you they are flat-out wrong.

Every day that I run into abject medical ignorance—where medicine arrogantly refuses to bend to the hard truth of proven science—I remember Ignaz Semmelweis. Semmelweis died a broken pauper in an asylum, his life destroyed by the conventional doctors of his generation who refused to accept handwashing.

Their dismissive attitude today stems not from malice, but from frozen ignorance. Modern practice has narrowed to typing signs and symptoms into an Electronic Medical Record (EMR) system and doing whatever the screen dictates. Many of my fellow physicians admit they’ve simply become "EMR docs" who have lost the ability to reason deeply.

The Reality of MTHFR, Homocysteine, and Cytokines

These physicians know almost zero about methylation or the FDA and HHS-approved intracellular micronutrient testing we use with our patients. (Yes, targeted vitamin deficiencies are often the hidden cause of the chronic fatigue torturing you every waking minute. I’ve reviewed more than 40,000 of these tests—they require deep clinical insight to interpret properly.)

More importantly, mainstream medicine misses the danger:

• Genetic Risks: Homozygous MTHFR C677T or Homozygous MTHFR A1298C (along with 20 other homozygous methylation SNPs) can be lethal if left unmanaged.

• Downstream Effects: Unmanaged variants lead to severe hyperhomocysteinemia, a major driver of heart attacks, strokes, hypertension, and kidney failure.

If you want the deep dive on this science, read my textbook, HOMOCYSTEINE.

Oddly enough, the core secret isn't just how to lower elevated homocysteine levels—that’s only half the battle. The true key is controlling and lowering the inflammatory cytokines that elevated homocysteine triggers. Cytokines are what cause tissue destruction, so while homocysteine is the warning sign, dangerous cytokines are the actual threat.

Ready to stop guessing and start healing?

Don't let medical ignorance keep you sick and fatigued.

Get the Book: Dive deeper into the science by picking up my textbook, HOMOCYSTEINE.

Get Tested: Schedule a consultation today to order your intracellular micronutrient testing and get a personalized methylation strategy.

Get Supported: Start protecting your pathways with our targeted MTHFR Daily supplement.

God Bless & Go In Good Health — Dan Purser MD

Who is Jackson Larkin?

Follow Dr. Purser! And Check out Jackson Larkin one of Dr. Pursers top Purser Wellness Coaches!

CoQ10 and Thyroid Medication

Dr. Purser discusses the importance of taking CoQ10 along with your thyroid medication. Take a listen! drsinatra.com

Fibromyalgia and Metallothionein Dysfunctions

Dr. Purser explains symptoms of Metallothionein dysfunctions and how metal toxicity can cause fibromyalgia. Learn how high serum copper levels cause painful inflammation in muscles, nerves, and joints. Explore the genetic components associated with fibromyalgia.

Sirt 1 Enzymes: Important Info

Dr. Purser explains Sirtuin Enzymes and the benefits of using a Sirtuin with a functional glutathione and garlic. Natural Anti Aging! Take a look!

GENETIC MUTATION DETECTION AND WHAT THAT MEANS for YOU

CRISPR is in the process of coming up with a treatment to change your genetic mutations. This could mean helping fix the mutations that put you at risk for Alzheimer's disease, macular degeneration, strokes, or Factor V Leiden. Stay on the look out for this very exciting new technology as it advances!

Dr. Purser in the Bahamas - How is MTHFR Support Different From MTHFR Support Plus?

This video is coming from the Bahamas! Dr. Purser talks about the difference between MTHFR Support and MTHFR Support Plus. He explains how to use both together effectively to help your vitamin deficiencies!

Now Accepting New Patients!

If you are wanting to visit or conference call Dr. Purser, now is the time! Dr. Purser is currently accepting new patients and would love to address any medical issue and concern you may have.

Methylation Errors - Could These Be the Cause of Your Fatigue?

Explore with Dr. Purser how methylation errors may be causing your fatigue. Be sure to check out the End Fibromyalgia with Natural Options Facebook page for more help and tips at facebook.com/NaturalOptionsWithLois/

Is the FITT Test a Viable Alternative to a Colonoscopy?

Discover with Dr. Purser how colon cancer is more common than breast and lung cancer. Feel free to reach out to our office if you are interested in learning more about the FITT test.

Cope with Homocysteine Like a Pro!

High homocysteine signals a broken transsulfuration pathway, leaving you unable to detox or convert it into glutathione. This shows up in conditions like PCOS and fibromyalgia, where patients often struggle with inflammation, pain, and even infertility. Genetics play a big role—there are 17 SNPs that can lock homocysteine in place—but vitamin deficiencies can make it worse. The real breakthrough isn’t lowering homocysteine itself but calming the cytokines it triggers, like IL-8 and MCP-1. That’s why VARS Glutathione, the only patented oral form proven to work, is so powerful—it lowers those cytokines back to normal and helps the body detox effectively.