Foods That Support Nerve Health: What to Eat for Tingling and Neuropathy

By BiteBrightly 20 September 2026: This post might contain affiliate links.

Tingling, numbness, burning sensations, or weakness in the hands and feet — the symptoms of peripheral neuropathy — affect approximately 20 million people in the United States alone. These sensations can range from occasional and mild to chronic, debilitating, and progressive. And while diet is not the cause of most neuropathy, specific nutritional deficiencies are among the most treatable — and sometimes fully reversible — contributors to nerve damage.

This guide covers the foods that support nerve health, the specific nutrients that matter most for nerve function and repair, and why some people experience tingling that dietary changes genuinely help — and some whose neuropathy requires different medical approaches.

Before the food guide — the most important message in this article: New or worsening tingling, numbness, or neuropathy symptoms should be assessed by a doctor. Peripheral neuropathy has more than 100 causes — including diabetes (the most common), B12 deficiency, alcohol, medication side effects, thyroid disorders, autoimmune conditions, kidney disease, and others. Some causes require urgent medical attention. This guide supports the nutritional component of nerve health alongside medical care; it is not a diagnosis or treatment.

Key Takeaways

• Vitamin B12 deficiency is one of the most important nutritional causes of peripheral neuropathy — and one of the most treatable; a 2025 Cureus study found B12 deficiency in 48.2% of patients with diabetic peripheral neuropathy; untreated B12 deficiency causes progressive nerve damage that can become irreversible, making early detection and correction critical

• Metformin — the most commonly prescribed medication for type 2 diabetes — depletes vitamin B12 over time; this is recognised in the 2024 NICE guidelines, which recommend monitoring B12 in people taking metformin long-term; people on metformin should discuss B12 monitoring with their GP

• Blood sugar stability is the most important long-term dietary factor for diabetic neuropathy — persistently elevated blood glucose directly damages nerve tissue and the small blood vessels that supply nerves; the foods that stabilise blood sugar are as important as the foods that provide nerve-specific nutrients

• Omega-3 fatty acids from oily fish are structural components of the myelin sheath — the protective insulation around nerve fibres — and reduce neuroinflammation; omega-3 deficiency is associated with impaired nerve conduction

• Alpha-lipoic acid — found in small amounts in spinach, broccoli, and organ meats — is the most studied antioxidant for neuropathy; it neutralises reactive oxygen species in nerve tissue, improves blood flow to nerves, and has been studied in combination with B12 for diabetic neuropathy with promising results

• A 2022 JAMA Network Open randomised clinical trial found that a plant-based diet improved pain and quality of life in patients with diabetic neuropathy — providing evidence that overall dietary pattern, not just individual nutrients, matters for nerve health outcomes

Why Nerves Are Nutritionally Vulnerable

Understanding why specific nutrients matter requires understanding what nerves need:

Myelin sheath maintenance: Peripheral nerves are insulated by the myelin sheath — a fatty coating that enables the rapid transmission of nerve signals. Myelin is rich in fatty acids (particularly omega-3 DHA) and requires specific nutrients including B12, B6, and folate for synthesis and maintenance. When myelin is damaged, nerve signals slow, become erratic, or fail — producing the tingling, numbness, and pain of neuropathy.

Axonal transport and energy: Nerve axons extend long distances (the sciatic nerve runs from the spine to the foot), requiring constant metabolic energy for the axonal transport of cellular materials and the maintenance of the electrochemical gradients that enable nerve signalling. B vitamins — particularly B1 (thiamine), B6, and B12 — are essential cofactors for the energy metabolism that sustains this continuous cellular work.

Oxidative stress in nerve tissue: Nerve tissue is metabolically active and generates significant reactive oxygen species (ROS). Antioxidants — vitamin E, vitamin C, alpha-lipoic acid, and the polyphenols from colourful fruits and vegetables — protect nerve cells from the oxidative damage that accumulates particularly in diabetic neuropathy.

Blood supply: Small blood vessels (vasa nervorum) supply oxygen and nutrients to peripheral nerves. Damage to these microvessels — by chronically elevated blood glucose, inflammation, or atherosclerosis — is a primary mechanism of diabetic neuropathy. Foods that support vascular health and reduce inflammation support nerve health indirectly through this microvascular pathway.

Food 1: Eggs, Meat, and Dairy — Vitamin B12, the Most Critical Nerve Nutrient

Nerve mechanism: B12 is essential for myelin synthesis and maintenance; B12 deficiency causes progressive demyelination — damage to the myelin sheath — that presents as tingling, numbness, and weakness; early B12 deficiency neuropathy is reversible with supplementation; advanced damage may not fully reverse Evidence level: Strong — B12 deficiency peripheral neuropathy is a well-established clinical entity; correction of deficiency is one of the most reliably effective treatments for nutritional neuropathy

Vitamin B12 is the single most important nutritional consideration for nerve health — because its deficiency directly causes peripheral neuropathy through a specific, well-understood mechanism, because the deficiency is common (and increasingly recognised in people taking metformin), and because early correction can reverse symptoms that would otherwise progress to irreversible nerve damage.

B12 is essential for the methylation of myelin basic protein — a critical step in myelin synthesis and maintenance. Without adequate B12, myelin formation is impaired, leading to the demyelination that causes the tingling, numbness, burning sensations, and weakness of B12 deficiency neuropathy. This neuropathy is clinically indistinguishable from diabetic peripheral neuropathy — which is one reason B12 deficiency is sometimes missed in people with diabetes.

A 2025 Cureus cross-sectional study of 139 patients with diabetic peripheral neuropathy found B12 deficiency in 48.2% — nearly half of the study population. A 2025 PMC review confirmed that metformin-induced B12 deficiency is a prevalent, underdiagnosed contributor to neuropathy in people with type 2 diabetes — the 2024 NICE guidelines now recommend monitoring B12 in long-term metformin users.

The reversibility window: The most important message about B12 deficiency neuropathy: untreated B12 deficiency causes progressive nerve damage that can eventually become irreversible. Early detection and correction are critical. Research confirms that peripheral neuropathy induced by B12 deficiency can recover completely with supplementation when caught early — but correction becomes less effective as damage progresses.

Best dietary sources of vitamin B12:

• Clams and oysters: the highest B12 food sources by a large margin

• Beef liver: extremely high B12 — small amounts provide very significant quantities

• Sardines and tinned fish: meaningful B12 + omega-3 for myelin structural support

• Eggs: one egg provides approximately 0.6mcg B12; two eggs daily provides meaningful contribution

• Dairy: milk, yogurt, and cheese — consistent dietary B12 sources

• Fortified foods: plant milks, nutritional yeast, fortified cereals — essential for vegetarians and vegans

The absorption caveat: B12 absorption from food requires gastric acid and intrinsic factor (a protein produced by the stomach). Both decline with age and are also affected by omeprazole and other proton pump inhibitors. People with reduced gastric acid production (common in elderly people) may not absorb adequate B12 from food even with high dietary intake — supplementation with cyanocobalamin or methylcobalamin is often necessary.

For vegans and vegetarians: B12 is found almost exclusively in animal foods. Vegans and vegetarians are at significant risk of B12 deficiency and should supplement reliably — not depend on occasional fortified food consumption. Discuss supplementation dose with your GP.

Food 2: Whole Grains, Legumes, and Pork — Vitamin B1 (Thiamine)

Nerve mechanism: Thiamine (B1) is essential for the metabolic energy production that sustains nerve function; thiamine deficiency causes beriberi — a condition characterised by peripheral neuropathy; alcohol is a major cause of thiamine deficiency neuropathy Evidence level: Strong — thiamine deficiency neuropathy (beriberi) is a well-established clinical entity; correction is effective particularly in early stages

Thiamine (vitamin B1) is an essential cofactor for the enzymes that generate the ATP (cellular energy) that powers nerve conduction and axonal transport. Without adequate thiamine, the energy supply to peripheral nerves fails — producing the peripheral neuropathy of thiamine deficiency (wet and dry beriberi).

Thiamine deficiency peripheral neuropathy typically presents with burning, tingling, and weakness in the feet and legs — the classic "stocking-glove" distribution of peripheral neuropathy. It is particularly associated with alcohol dependence (alcohol impairs thiamine absorption and increases thiamine requirements), bariatric surgery (reduced food intake and altered absorption), severe dietary restriction, and very high refined carbohydrate diets (which increase thiamine requirements while providing little dietary thiamine).

Best food sources of thiamine (B1):

• Pork (particularly lean pork): highest thiamine meat source

• Whole grains: oats, brown rice, wholegrain bread — processing removes thiamine from refined grains

• Legumes: lentils, black beans, edamame — meaningful thiamine alongside other B vitamins

• Sunflower seeds: one of the highest plant thiamine sources

• Nutritional yeast: extremely high B vitamins including thiamine

Note on refined carbohydrates: White bread, white rice, and refined cereals are low in thiamine after processing removes the grain's outer layers. A diet high in refined carbohydrates paradoxically increases thiamine requirements while providing little dietary thiamine — one reason high-refined-carbohydrate diets are associated with thiamine depletion.

Food 3: Salmon, Sardines, and Oily Fish — Omega-3 for Myelin and Neuroinflammation

Nerve mechanism: DHA is a structural component of neuronal cell membranes and the myelin sheath; EPA and DHA reduce neuroinflammation that damages nerve tissue; omega-3 deficiency is associated with impaired nerve conduction Evidence level: Good — structural role of DHA in neural membranes well-established; clinical data on omega-3 in neuropathy ongoing; a 2020 study found higher omega-3 intake associated with 30% lower neuropathy risk

Omega-3 fatty acids — particularly DHA — are structural components of neuronal cell membranes and the myelin sheath. DHA makes up approximately 25–30% of the total fatty acids in the brain and peripheral nervous system; maintaining adequate dietary omega-3 supports the physical integrity of the myelin that insulates nerve fibres.

Beyond structural support, EPA and DHA from oily fish reduce neuroinflammation — the inflammatory process in nerve tissue that contributes to neuropathic pain and progressive nerve damage. The Foundation for Peripheral Neuropathy reports ongoing trials assessing whether fish oil can be effective in treating diabetic peripheral neuropathy, with completion dates of 2025–2026.

Research from Nerve Sciences confirmed that a 2020 study found higher omega-3 intake was associated with a 30% lower neuropathy risk — a meaningful observational finding that adds to the mechanistic evidence for omega-3's role in nerve health.

Best omega-3 sources for nerve health:

• Salmon: highest DHA + EPA per serving of low-mercury fish; 2.2g omega-3 per 150g

• Sardines: DHA + EPA alongside vitamin B12, vitamin D, and calcium from soft bones

• Mackerel: very high omega-3; low mercury; practical food source

• Walnuts: ALA omega-3 — note that ALA conversion to DHA and EPA is limited (less than 8%)

• Ground flaxseed: ALA omega-3 + fibre — a useful plant-based supplement to oily fish rather than replacement

• Algae-based DHA: the most effective plant-based omega-3 source for nerve health; discussed with GP for plant-based eating patterns

Food 4: Spinach, Broccoli, and Green Vegetables — Alpha-Lipoic Acid and Magnesium

Nerve mechanism: Alpha-lipoic acid (ALA) is a potent antioxidant that neutralises reactive oxygen species in nerve tissue, improves blood flow to nerves, and has been studied for diabetic neuropathy with promising results; magnesium is essential for nerve transmission and deficiency causes nerve hyperexcitability Evidence level: Good for magnesium deficiency-neuropathy link; Good for alpha-lipoic acid in diabetic neuropathy research; ALA available in small amounts from food, higher therapeutic doses require supplementation

Alpha-lipoic acid (ALA) and magnesium are two distinct reasons why dark leafy greens and cruciferous vegetables are specifically valuable for nerve health.

Alpha-lipoic acid (not to be confused with ALA as an omega-3 abbreviation): Alpha-lipoic acid is a powerful mitochondrial antioxidant that neutralises reactive oxygen species in nerve tissue, improves blood flow to peripheral nerves, and has been found to improve glucose metabolism in people with type 2 diabetes. A meta-analysis confirmed that methylcobalamin (B12) alone and in combination with alpha-lipoic acid improves nerve function in patients with diabetic peripheral neuropathy. Alpha-lipoic acid is found in spinach, broccoli, and organ meats — though therapeutic doses studied in neuropathy research typically require supplementation beyond what food provides; discuss with your GP.

Magnesium: Magnesium is essential for nerve transmission and neuromuscular coordination. As a natural calcium channel antagonist, magnesium regulates the electrochemical signalling that nerve cells depend on. Magnesium deficiency causes nerve hyperexcitability — increased sensitivity of nerve cells that contributes to tingling, burning, and cramp sensations associated with neuropathy. Research confirms that magnesium deficiency is particularly common in people with diabetes and is linked to worse neuropathy outcomes.

Best food sources of alpha-lipoic acid and magnesium:

• Spinach: highest plant source of alpha-lipoic acid + high magnesium

• Broccoli: alpha-lipoic acid + sulforaphane antioxidant + magnesium

• Organ meats (liver): highest food source of alpha-lipoic acid — though dietary ALA is a complement to therapeutic supplementation, not a replacement

• Pumpkin seeds: highest magnesium of any common seed

• Leafy greens (chard, kale): magnesium + folate + antioxidants

Food 5: Nuts and Seeds — Vitamin E for Nerve Protection

Nerve mechanism: Vitamin E is a fat-soluble antioxidant that protects neuronal cell membranes from oxidative damage; deficiency causes progressive peripheral neuropathy; meta-analysis evidence for vitamin E reducing chemotherapy-induced peripheral neuropathy symptoms at 300–600mg/day Evidence level: Good — vitamin E deficiency peripheral neuropathy is established; evidence for supplementation in chemotherapy-induced neuropathy from meta-analysis; dietary vitamin E provides protective baseline

Vitamin E is the primary fat-soluble antioxidant in neuronal cell membranes — protecting the lipid-rich myelin from oxidative damage. Vitamin E deficiency causes a progressive peripheral neuropathy characterised by ataxia (coordination difficulties), reflex loss, and sensory nerve damage — confirming the specific role of vitamin E in nerve maintenance.

A meta-analysis referenced by the Foundation for Peripheral Neuropathy found a beneficial effect of vitamin E (300–600mg/day) on the incidence and symptoms of chemotherapy-induced peripheral neuropathy — a context where oxidative stress is a primary neuropathy driver. Dietary vitamin E provides a consistent, ongoing protective baseline for nerve cells that is distinct from the higher-dose therapeutic supplementation studied in neuropathy trials.

Best food sources of vitamin E:

• Sunflower seeds: one of the highest vitamin E food sources per gram

• Almonds: 7.3mg vitamin E per 30g — among the highest of any nut

• Hazelnuts: meaningful vitamin E + manganese

• Pine nuts: vitamin E + magnesium

• Avocado: vitamin E + healthy monounsaturated fat that enhances absorption of fat-soluble vitamins

• Wheat germ oil: the highest food source of vitamin E by concentration

Food 6: Chickpeas, Poultry, and Leafy Greens — Vitamin B6

Nerve mechanism: Vitamin B6 is required for neurotransmitter synthesis and myelin sheath formation; B6 deficiency causes peripheral neuropathy; importantly, excess B6 from supplementation also causes peripheral neuropathy — dietary sources are safe; the tolerable upper limit for supplements is 10mg/day (UK) Evidence level: Strong — B6 deficiency and B6 toxicity neuropathy both well-established; dietary sources of B6 are safe and important

Vitamin B6 has an unusual dual role in neuropathy: deficiency causes it, and excess supplementation (from high-dose B6 supplements) also causes it. This makes it one of the few nutrients where the dietary approach — getting B6 from food — is always safe, while supplementation requires attention to dose.

B6 is required for the synthesis of neurotransmitters including serotonin, dopamine, and GABA, and plays a role in the metabolism of the amino acids that form myelin proteins. The Foundation for Peripheral Neuropathy notes that dietary B6 from food helps prevent B6 deficiency neuropathy in most individuals without the risk that high-dose supplementation carries.

The B6 supplementation caution: High-dose B6 supplements (above 10mg/day in the UK, 100mg/day in some US guidelines) can themselves cause peripheral neuropathy through neurotoxicity. Many combination B-vitamin supplements contain B6 doses above these levels. Read supplement labels carefully and do not exceed recommended doses. If taking B-vitamin supplements for neuropathy, discuss appropriate doses with your GP.

Best food sources of vitamin B6:

• Chickpeas: one of the highest plant B6 sources (one cup provides over 1mg)

• Poultry (chicken, turkey): excellent B6 source alongside complete protein

• Salmon: B6 + omega-3 + B12 — the most comprehensive fish for nerve health

• Dark leafy greens: spinach, kale — B6 alongside folate and magnesium

• Bananas: a practical daily B6 source (0.4mg per banana)

• Fortified cereals: meaningful B6 in a widely accessible format

Food 7: Legumes, Sweet Potatoes, and Avocados — Blood Sugar Management

Nerve mechanism: Chronically elevated blood glucose directly damages peripheral nerves through multiple pathways (advanced glycation end-products, oxidative stress, microvascular damage); blood sugar stability is the most important long-term dietary factor for diabetic neuropathy Evidence level: Strong — the relationship between hyperglycaemia and peripheral neuropathy is among the most established in clinical medicine; blood sugar control reduces neuropathy progression in multiple trials

For the estimated 50% of people with diabetes who develop some degree of peripheral neuropathy, the most important dietary priority is blood sugar management — not supplementation or specific nerve nutrients. Persistently elevated blood glucose damages peripheral nerves through three simultaneous mechanisms: advanced glycation end-products (AGEs) that stiffen nerve tissue, oxidative stress from glucose metabolism, and microvascular damage to the tiny blood vessels that supply peripheral nerves.

A 2022 JAMA Network Open randomised clinical trial found that a low-fat plant-based diet improved pain scores and quality of life in patients with diabetic neuropathy — suggesting that overall dietary pattern and blood sugar management provide measurable neuropathy symptom relief.

Best low-glycaemic foods for blood sugar stability and nerve health:

• Legumes (lentils, chickpeas, black beans): GI 20–40; provide plant protein + B vitamins + magnesium + stable blood glucose

• Sweet potato: GI approximately 50–55; vitamin A + B6 + potassium alongside stable glucose release

• Oats: beta-glucan slows glucose absorption; B1 + magnesium

• Avocado: healthy fat that slows gastric emptying and glucose absorption; vitamin E + B6

• Non-starchy vegetables: leafy greens, broccoli, courgette — minimal glucose impact with maximal micronutrient density

What to reduce: Refined carbohydrates (white bread, white rice, sugary drinks), ultra-processed foods, and added sugars accelerate the glycaemic damage to peripheral nerves. This is one of the most evidence-grounded and practically important dietary changes for people with diabetes and neuropathy.

Food 8: Colourful Fruits and Berries — Antioxidants for Nerve Cell Protection

Nerve mechanism: Antioxidants from colourful produce — vitamin C, quercetin, anthocyanins, resveratrol — protect nerve cells from the oxidative stress that drives neuroinflammation and nerve tissue damage; vitamin C also supports collagen in the connective tissue that surrounds and protects peripheral nerves Evidence level: Good — antioxidant protection of nerve tissue well-established mechanistically; consistent observational association between colourful produce intake and better neurological outcomes

Nerve cells are metabolically active and generate significant reactive oxygen species — particularly in the context of elevated blood glucose, inflammation, or nutritional stress. Antioxidants from colourful fruits (blueberries, strawberries, pomegranate, red grapes) and vegetables neutralise these free radicals, reducing the oxidative damage that accelerates nerve tissue deterioration.

Berries — particularly blueberries — provide anthocyanins that cross the blood-brain barrier and provide antioxidant protection within the central and peripheral nervous system. Resveratrol in red grapes and quercetin in apples (particularly the skin) have anti-neuroinflammatory properties relevant to neuropathy.

Vitamin C, found abundantly in kiwi, peppers, and strawberries, supports the production of collagen in the connective tissue (perineurium and endoneurium) that surrounds and protects peripheral nerve fibres — a structural role in nerve health beyond its antioxidant activity.

What to Limit — Foods That Worsen Nerve Health

Alcohol: A major independent cause of peripheral neuropathy (alcoholic neuropathy) through three mechanisms: direct toxic effects of alcohol on nerve tissue, thiamine depletion (alcohol impairs B1 absorption), and nutritional deficiency from reduced food intake. Even moderate alcohol consumption can impair nerve health in people with existing neuropathy. The safest approach for people with neuropathy is minimising or eliminating alcohol.

Refined carbohydrates and added sugar: Accelerate glycaemic damage to peripheral nerves in people with diabetes or prediabetes; contribute to oxidative stress in nerve tissue; provide thiamine-depleting carbohydrate load without replacing the thiamine removed in processing.

Ultra-processed foods: High in refined carbohydrates, trans fats, and sodium; low in the B vitamins, magnesium, vitamin E, and omega-3 that nerve health requires. A dietary pattern built around ultra-processed foods is one of nutritional deficiency for nerve health.

Excess B6 supplements: Paradoxically, high-dose B6 supplementation causes peripheral neuropathy through neurotoxicity. Do not take B6 supplements above recommended doses without medical guidance.

Frequently Asked Questions

Is neuropathy tingling always nutritional?

No — peripheral neuropathy has more than 100 causes. Nutritional deficiencies (particularly B12, B1, and B6) are among the most treatable and important to identify — but diabetes is the most common overall cause, and many other conditions cause neuropathy including autoimmune conditions (Guillain-Barré syndrome, CIDP), kidney disease, thyroid disorders, infections (shingles, Lyme disease), and medication side effects. New or worsening tingling should always be assessed by a doctor who can identify the underlying cause. Dietary changes for nutritional support should never replace medical evaluation. For more on anti-inflammatory foods that support nerve tissue health see our Anti-Inflammatory Foods guide at bitebrightly.com.

Should I take B12 supplements if I have neuropathy?

This is a question for your GP, who can test your B12 levels and determine whether deficiency is contributing to your symptoms. For people with low or borderline B12 levels and neuropathy, supplementation (often with methylcobalamin or cyanocobalamin) can make a significant difference — particularly when started before nerve damage becomes irreversible. For people taking metformin long-term, NICE 2024 guidelines recommend monitoring B12. For people eating a vegan or vegetarian diet, reliable B12 supplementation is strongly recommended regardless of neuropathy symptoms. For more on B12-rich foods and iron-rich plant-based nutrition see our Iron-Rich Foods for Vegetarians guide at bitebrightly.com.

Can neuropathy be reversed through diet?

It depends on the cause and stage. B12 deficiency neuropathy, when caught early and treated with supplementation and dietary B12 restoration, can reverse completely — research confirms complete recovery in some cases. Thiamine deficiency neuropathy also responds well to correction. Diabetic neuropathy caused by chronically elevated blood glucose may stabilise and partially improve with blood sugar management, but established damage may not fully reverse. Neuropathy from other causes varies in reversibility. The most important message: early assessment and treatment significantly improve the chances of recovery or stabilisation. Waiting until symptoms are severe significantly reduces the likelihood of full reversal.

References and Further Reading

1. Foundation for Peripheral Neuropathy (January 2026) — Peripheral Neuropathy Nutrition. B12, B6, omega-3, vitamin E mechanisms and evidence; ongoing fish oil trials for diabetic neuropathy.

2. Cureus (July 2025) — Vitamin B12 Deficiency in Patients With Diabetic Peripheral Neuropathy. B12 deficiency found in 48.2% of 139 DPN patients; underdiagnosed and undertreated.

3. PMC (July 2025) — Metformin-Induced Vitamin B12 Deficiency: An Underdiagnosed Cause of Diabetic Neuropathy. 2024 NICE guidelines on B12 monitoring in metformin users; supplementation evidence.

4. JAMA Network Open (2022) — Effect of a Plant-Based Diet on Pain and Quality of Life in Patients With Diabetic Neuropathy. Randomised clinical trial; plant-based diet improved pain scores and quality of life.

5. Nerve Sciences — The Best and Worst Foods for Nerve Health. Omega-3, magnesium, B12, vitamin E for nerve health; 2020 study: higher omega-3 intake associated with 30% lower neuropathy risk.

About the Author

Judith Tsanga is an Applied Biosciences & Biotechnology graduate with an Advanced Level qualification in Food Science, and the founder of BiteBrightly. Her passion for food as medicine began with her own experience: after making targeted dietary changes, she noticed a meaningful improvement in her eyesight — a personal transformation that inspired her mission to share evidence-based nutrition insights that help others eat well and heal boldly. Content on BiteBrightly is for educational purposes and isn't a substitute for advice from your doctor or dietitian.

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Important Notice: This article is for educational purposes only and is not intended as medical advice. I am not a medical doctor, neurologist, or registered dietitian. New or worsening tingling, numbness, or neuropathy symptoms should always be assessed by a doctor — peripheral neuropathy has many causes, some requiring urgent attention. Dietary approaches support the nutritional component of nerve health alongside appropriate medical care. Never delay medical evaluation because of dietary changes. B12 supplementation decisions should be guided by blood testing with your GP. Do not take high-dose B6 supplements without medical guidance — excess B6 itself causes peripheral neuropathy. These statements have not been evaluated by the FDA.

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