Nerve Health & Education

Neuropathy in the feet featured image showing the nerves of the sole and toes traced in gold on navy, for a nerve surgeon’s guide to symptoms, causes and relief — DrFitzNutrition.com
Neuropathy in the Feet: Symptoms, Causes and What Actually Helps
A peripheral nerve surgeon explains what each foot symptom tells you about your nerves: tingling, burning, numbness, itching, weakness and skin changes. Plus the red flags that need a doctor,... Read more...
Neuropathy exercises for feet, hands and balance: illustrated feet in supportive shoes in a tandem balance stance beside a kitchen counter, a nerve surgeon's at-home routine — DrFitzNutrition.com
Neuropathy Exercises for Feet, Hands, and Balance: A Nerve Surgeon's At-Home Routine
A peripheral nerve surgeon who trained in exercise science before medical school lays out an at-home routine: eight foot exercises, a four-level balance progression, seven hand exercises and a weekly... Read more...
Golden Nerves review featured image showing six identical dropper bottles under a magnifying glass for a nerve surgeon’s label audit — DrFitzNutrition.com
Golden Nerves Reviews: Is It Legit? A Nerve Surgeon Finds Six Different Formulas Under One Name
A peripheral nerve surgeon checks Golden Nerves and finds the name attached to six different ingredient lists across at least six "official" sites. The only photographed label is a 195... Read more...
Dynamic Nerve review featured image showing a supplement bottle and capsules under a magnifying glass for a nerve surgeon’s label audit — DrFitzNutrition.com
Dynamic Nerve Reviews: Does Stonehenge Health's Nerve Supplement Work? A Nerve Surgeon Checks the Label
A peripheral nerve surgeon checks Stonehenge Health's Dynamic Nerve against the research. Its alpha-lipoic acid, methylcobalamin and benfotiamine match trial doses, every amount is disclosed and it is NSF certified;... Read more...
Nerve Renew review featured image showing an original and a reformulated supplement bottle for a nerve surgeon’s old vs new formula comparison — DrFitzNutrition.com
Nerve Renew Reviews: What Changed in the 2026 Formula, and Does It Match the Research?
A peripheral nerve surgeon compares the original and 2026 Nerve Renew formulas against the research. The new version adds PEA and acetyl-L-carnitine, doubles alpha-lipoic acid and lowers benfotiamine and B12.... Read more...
Nervive reviews featured image showing three supplement boxes under a magnifying lens for a nerve surgeon’s label comparison — DrFitzNutrition.com
Nervive Reviews: Does It Work? A Nerve Surgeon Compares Nerve Health, Nerve Relief and Nerve Relief PM
A peripheral nerve surgeon compares all three Nervive tablets against the research. Nerve Relief carries the 600 mg alpha-lipoic acid dose from the trials, Nerve Health carries half of it,... Read more...
Apex Gold reviews featured image showing a supplement capsule and bottle under a magnifying lens for a nerve surgeon's label audit — DrFitzNutrition.com
Apex Gold Reviews: Does It Work? A Nerve Surgeon Checks the Label
A peripheral nerve surgeon reads the Apex Gold label line by line. Five of its six ingredients sit inside an undisclosed 575 mg blend, the magnesium alone likely fills most... Read more...
Quiet Nerves reviews featured image showing a supplement bottle with a blank label under a magnifying lens — DrFitzNutrition.com
Quiet Nerves Reviews: Is It Legit? A Nerve Surgeon Checks
A peripheral nerve surgeon checks Quiet Nerves and finds a formula with no published doses, no B vitamins and a one-capsule serving that cannot hold trial doses. The guarantee reads... Read more...
Sofon reviews featured image showing a supplement bottle under a magnifying lens for a nerve surgeon's label audit — DrFitzNutrition.com
Sofon Reviews: Does It Work? A Nerve Surgeon Checks the Label
Dr. Fitz Nutrition — Nerve Health & Peripheral Nerve Science Nerve Health · Neuropathy Supplement Reviews Sofon gets two of the three most important numbers right. What it leaves out,... Read more...
Do sciatica supplements work, illustration of a herniated lumbar disc compressing and inflaming a sciatic nerve root, by peripheral nerve surgeon Michael Fitzmaurice, MD — DrFitzNutrition.com
Do Sciatica Supplements Work? A Nerve Surgeon's Honest Answer
A peripheral nerve surgeon explains what sciatica is at the level of the nerve root, what can be mistaken for it, and which sciatica supplements and vitamins have real evidence,... Read more...
Does Nerve Recovery Max Work? Neuropathy supplement review by peripheral nerve surgeon Michael Fitzmaurice, MD, comparing label doses with clinical trials — DrFitzNutrition.com
Nerve Recovery Max Reviews: Does It Work? A Surgeon Checks
A peripheral nerve surgeon checks the Nerve Recovery Max label against the human trials its ingredients come from. The forms are right, the doses are not, and at least one... Read more...
Regenerating peripheral nerve fiber illustrating how to repair nerve damage naturally — DrFitzNutrition.com
How to Repair Nerve Damage Naturally: A Surgeon's Protocol
A peripheral nerve surgeon lays out a six-step protocol to repair nerve damage naturally: remove the cause, lower blood sugar gradually, exercise, change your diet, correct real deficiencies, and protect... Read more...
Peripheral nerve cross-section with magnesium ions at the NMDA receptor illustrating magnesium for neuropathy — DrFitzNutrition.com
Magnesium for Neuropathy: What a Nerve Surgeon Wants You to Know
A peripheral nerve surgeon explains how magnesium regulates nerve pain at the NMDA receptor, why diabetes drains it, and what the trials really show. Correcting a deficiency appears to help,... Read more...
Graphic of three measuring columns showing trial doses for neuropathy supplements: alpha-lipoic acid 600 mg, methylcobalamin 1,500 mcg and benfotiamine 300 mg — DrFitzNutrition.com
Neuropathy Supplement Reviews: A Nerve Surgeon Audits 7 Popular Labels
A peripheral nerve surgeon audits the actual Supplement Facts panels of seven popular nerve supplements (Sofon, Apex Gold, Quiet Nerves, Nerve Recovery Max, Dynamic Nerve, NeuraZenx and Nerve Renew) against... Read more...
Vitamin B6 peripheral neuropathy illustration showing sensory neuron cell bodies in a dorsal root ganglion affected by excess vitamin B6 — DrFitzNutrition.com
Vitamin B6 Peripheral Neuropathy: When Too Much Harms Nerves
A peripheral nerve surgeon explains why vitamin B6 is the one nerve vitamin that can cause the tingling and numbness it is bought to fix. Covers how excess B6 injures... Read more...
Peripheral nerve cross-section showing axons and myelin sheath, illustrating the nerve structures the NeuroAxis supplement formula is built around — DrFitzNutrition.com
NeuroAxis Review: An Honest Audit of My Own Formula
A peripheral nerve surgeon reviews the nerve supplement he formulated himself, with the conflict of interest stated up front. The full ingredient panel compared line by line against the published... Read more...
Editorial illustration of a peripheral nerve in cross-section with layered treatment markers, illustrating small fiber neuropathy treatment options and their limits — DrFitzNutrition.com
Small Fiber Neuropathy Treatment: What Actually Works
A peripheral nerve surgeon walks through small fiber neuropathy treatment drug by drug: the real response rates behind gabapentin, pregabalin, duloxetine and the tricyclics, what makes a medication trial legitimate,... Read more...
Neuropathy vs poor circulation comparison graphic showing a peripheral nerve cross-section beside a narrowed lower-leg arterial tree — DrFitzNutrition.com
Neuropathy vs. Poor Circulation: How to Tell the Difference in Your Feet
Burning, numb, or cold feet can come from damaged nerves, reduced arterial blood flow, or both at once. A peripheral nerve surgeon explains which patterns genuinely shift suspicion in each... Read more...
Navy and gold title graphic reading Can Metabolic Syndrome Make Neuropathy Worse, what the research shows, by peripheral nerve surgeon Michael Fitzmaurice, M.D., on a flowing gold nerve fiber background — DrFitzNutrition.com
Metabolic Syndrome Neuropathy: Can Metabolic Syndrome Make Neuropathy Worse? What the Research Shows
Metabolic syndrome neuropathy describes the link between a cluster of metabolic problems and nerve pain and nerve damage risk. A peripheral nerve surgeon walks through what happens as those problems... Read more...
Navy and gold title graphic reading Which Test Detects Neuropathy, a physician's guide to EMG, skin biopsy and more, by peripheral nerve surgeon Dr. Michael Fitzmaurice — DrFitzNutrition.com
Neuropathy Testing: Which Test Detects Neuropathy? A Nerve Surgeon's Guide
There is no single neuropathy test. A peripheral nerve surgeon explains how doctors actually test for neuropathy: the hands-on exam, EMG and nerve conduction studies for large fibers, skin biopsy... Read more...
B12 for neuropathy title graphic reading "Still Tingling After B12? What Might Be Missing," by peripheral nerve surgeon Dr. Michael Fitzmaurice, on a navy nerve-fiber background — DrFitzNutrition.com
B12 for Neuropathy: Still Tingling After Taking B12? What Might Be Missing
A peripheral nerve surgeon explains why tingling, burning, and numbness can persist after you take B12, a B-complex, or a basic nerve vitamin. B12 helps when a true deficiency is... Read more...
How long do nerve supplements take to work — a 30, 60, and 90 day monitoring timeline for neuropathy, peripheral nerve surgeon guide — DrFitzNutrition.com
How Long Do Nerve Supplements Take to Work? A 30-, 60-, and 90-Day Reality Check
A peripheral nerve surgeon explains why nerve supplements work on the timescale of nerve biology, not a painkiller. Get a realistic 30-, 60-, and 90-day monitoring framework, what to track... Read more...
Multiple sclerosis diet, lifestyle, and supplements evidence review by peripheral nerve surgeon Dr. Fitz, with a gold myelinated nerve fiber illustration — DrFitzNutrition.com
Multiple Sclerosis, Lifestyle, and Supplements: What the Evidence Shows
A peripheral nerve surgeon breaks down what diet, exercise, and supplements can and cannot do for MS. The key: no supplement is proven to change the disease, but several can... Read more...
Peripheral nerve cross-section illustrating how neuropathy can begin in prediabetes before diabetes — DrFitzNutrition.com
Prediabetes Neuropathy: Can You Have Neuropathy Before Diabetes? A Surgeon Explains
A peripheral nerve surgeon explains why nerve injury may begin before diabetes is diagnosed. In some people, the metabolic dysfunction behind prediabetes — insulin resistance, oxidative stress, poor nerve energy... Read more...
Burning feet causes beyond neuropathy — anatomical peripheral nerve cross-section illustrating the small sensory fibers involved — DrFitzNutrition.com
Burning Feet: Causes Beyond Neuropathy — How to Tell the Difference
A peripheral nerve surgeon explains why burning feet is a symptom, not a diagnosis. Neuropathy is only one of many causes — from prediabetes and B12 deficiency to compressed nerves... Read more...
Anatomical cross-section of a peripheral nerve showing myelinated axons, fascicles, and connective sheaths, titled as a nerve supplement ingredient guide — DrFitzNutrition.com
What Should a Nerve Health Supplement Contain? A Physician's Guide
A fellowship-trained peripheral nerve surgeon breaks down which nerve supplement ingredients have real human and preclinical evidence, which forms and doses matter, and the safety traps (like high-dose B6) to... Read more...
Peripheral nerve cross-section showing the small fibers damaged in small fiber neuropathy that a normal EMG cannot detect — DrFitzNutrition.com
Small Fiber Neuropathy: Why a Normal EMG Doesn't Rule Out Nerve Damage
A peripheral nerve surgeon explains why a standard EMG can read perfectly normal while your small nerve fibers are failing, what test actually detects small fiber neuropathy, and why finding... Read more...
The Best Nerve Support Supplement, a nerve surgeon’s 7-question checklist by Michael Fitzmaurice, MD, shown beside a supplement bottle, gold check marks and a peripheral nerve cross-section — DrFitzNutrition.com
What Is the Best Nerve Support Supplement? A Surgeon's Checklist
A peripheral nerve surgeon explains how to choose the best nerve support supplement: the doses the human trials used, the label claims that mislead, and how the right choice changes... Read more...
Editorial image of a supplement capsule with gold granules beside a glowing nerve fiber on a navy background — DrFitzNutrition.com
Best Vitamins and Supplements for Carpal Tunnel: A Nerve Surgeon's Honest Evidence Review
A peripheral nerve surgeon ranks the vitamins and supplements studied for carpal tunnel by the strength of the evidence: alpha-lipoic acid, B12, B6, magnesium and more. Includes a B6 vs.... Read more...
Editorial illustration of the median nerve glowing gold through the carpal tunnel of a translucent wrist on a navy background — DrFitzNutrition.com
Carpal Tunnel Syndrome: A Nerve Surgeon's Guide to Causes, Treatment & Surgery
A fellowship-trained peripheral nerve surgeon explains how carpal tunnel syndrome actually injures the median nerve, why symptoms peak at night, and the four stages from reversible to permanent. Learn what... Read more...
Editorial illustration of a healthy gold peripheral nerve fiber surrounded by oxidative stress, constricted microvessels, and inflammation, showing neuropathy as an environmental problem around the nerve — DrFitzNutrition.com
Alpha-Lipoic Acid for Neuropathy: What It Does for Tingling, Burning, or Numb Feet
A peripheral nerve surgeon explains what alpha-lipoic acid actually does for tingling, burning, and numb feet. Learn how it targets the oxidative stress behind neuropathy, why R-ALA and the 600... Read more...
Vitamins for neuropathy guide by peripheral nerve surgeon Dr. Michael Fitzmaurice, covering B12, benfotiamine, B6, and alpha-lipoic acid — DrFitzNutrition.com
Neuropathy Vitamins: What Actually Supports Nerve Health
A peripheral nerve surgeon ranks the vitamins for neuropathy by evidence: B12 and vitamin D when you're low, benfotiamine, and alpha-lipoic acid, plus the one vitamin (B6) where too much... Read more...
The neuropathy diet, foods to eat and avoid to protect peripheral nerves, a peripheral nerve surgeon's guide — DrFitzNutrition.com
Best Diet for Neuropathy: A Nerve Surgeon Explains What to Eat and Avoid
nerve surgeon and metabolic-health educator explains the best diet for neuropathy: the foods to eat, the foods to avoid, and how blood sugar quietly damages nerves. Includes an honest, evidence-based... Read more...
Dr. Michael Fitzmaurice, peripheral nerve surgeon, in a white shirt against a navy background, alongside the title "A Nerve Surgeon on Omega-3s" — blog post explaining how EPA and DHA affect peripheral nerve repair.
Is Omega-3 Good for Nerve Damage? A Nerve Surgeon's Honest Answer
A peripheral nerve surgeon answers the question directly: is omega-3 good for nerve damage? The honest answer is that the direct nerve-repair evidence is thin, and a 2025 Cochrane review... Read more...
Editorial illustration of bromelain, a pineapple-derived enzyme, acting on inflamed peripheral nerve tissue through anti-inflammatory pathways, showing nerve axons and myelin — DrFitzNutrition.com
Bromelain for Nerve Pain and Neuropathy: What the Science Shows
A peripheral nerve surgeon who published a peer-reviewed review on bromelain for neuropathic pain explains what this pineapple enzyme actually does: the NF-κB and COX-2 mechanism, why swelling around a... Read more...
Editorial cross-section of a peripheral nerve showing fascicles, myelinated axons, and the myelin sheath — methylcobalamin for nerve repair, explained by Michael Fitzmaurice, MD — DrFitzNutrition.com
Methylcobalamin for Neuropathy and Nerve Repair: A Nerve Surgeon's Guide
A peripheral nerve surgeon explains what methylcobalamin (active B12) actually does for nerve repair, the myelin sheath, and neuropathy. Covers the three cellular mechanisms, the dosage studied in research, how... Read more...
At What A1C Does Nerve Damage Start? A Surgeon's Mechanism-Level Answer
A peripheral nerve surgeon explains why "at what A1C does neuropathy start" is the wrong question. Small fiber damage begins on a glycemic continuum that often predates the diabetes diagnosis. Here's what the DCCT, EDIC, and skin biopsy data actually show, and what to do if you're in the prediabetic range. Read more...
Editorial illustration of a regenerating peripheral nerve axon with a glowing growth cone advancing along Schwann cell bands of Büngner after Wallerian degeneration, showing the biology of nerve regeneration — DrFitzNutrition.com
How Nerves Actually Heal: Biology of Nerve Regeneration
A peripheral nerve surgeon walks through what actually happens when a damaged nerve heals. You'll learn the three-stage biology of nerve regeneration — Wallerian degeneration, Schwann cell scaffolding, and axonal... Read more...
Editorial medical illustration of a clinical evidence review of nerve support supplement ingredients, showing a supplement capsule and magnifying lens over a research chart, by a peripheral nerve surgeon — DrFitzNutrition.com
Do Nerve Supplements Actually Work? An MD's Evidence Review
nerve surgeon reads the actual clinical trials, ingredient by ingredient, to answer whether nerve supplements really work. Which ingredients have real evidence (and at what dose), the side effects to... Read more...
Nerve Tingling and Burning: Why Your Nervous System Is Caught Between Damage and Repair
If your nerves feel on fire one moment and completely numb the next, there's a precise biological reason — and it's not random. This post explains why your nervous system gets caught between damage and repair, the everyday stressors keeping it stuck, and the specific nutrients and habits that help your body pull toward healing. Read more...
Illustration of a peripheral nerve fiber damaged on one side and regenerating on the other, with new axon sprouts growing along Schwann cell guidance bands, for the article Can Neuropathy Be Reversed? — DrFitzNutrition.com
Can You Reverse Neuropathy? What the Science Actually Says
Can neuropathy be reversed? A peripheral nerve surgeon explains what "reversal" actually means at the cellular level — how peripheral nerves regenerate, which types of neuropathy can improve, and what... Read more...
Why Nerve Symptoms Feel Worse at Night
Dr. Fitz Nutrition — Nerve Health & Metabolic Science Nerve Health · Neuropathy Symptoms Why Do Nerve Symptoms Feel Worse at Night? A Peripheral Nerve Surgeon Explains If your feet start burning the moment you lie down, you're not imagining it — and it's not a sign that your nerves are suddenly getting worse. There's a very specific biological reason this happens, and understanding it puts you back in control. MF Michael Fitzmaurice, M.D. Peripheral Nerve Surgeon & Metabolic Health Educator Nighttime doesn't damage your nerves — but it does... Read more...
The science of multi-pathway nerve support — a peripheral nerve surgeon on the five biological systems peripheral nerves depend on for repair and function — DrFitzNutrition.com
Why Your Nerves Need Multi-Pathway Nutrition
Peripheral nerves depend on multiple interconnected systems, including cellular energy, myelin integrity, circulation, antioxidant balance, and inflammation regulation. Research suggests that supporting these pathways together—rather than focusing on a single... Read more...
Neuropathy Without Diabetes: 7 Common Causes
Neuropathy is often linked to diabetes—but many people experience nerve symptoms without ever having high blood sugar. This article explores seven common non-diabetic causes of neuropathy, including nutrient deficiencies, medication effects, autoimmune conditions, infections, and small fiber nerve disorders. You’ll learn why symptoms occur, what often gets missed in routine evaluations, and how nutrition and lifestyle choices can support overall nerve health alongside proper medical care. Read more...
Benfotiamine for neuropathy illustration showing a peripheral nerve cross-section protected as the transketolase enzyme diverts excess glucose — DrFitzNutrition.com
Benfotiamine: Benefits, Dosage, Side Effects, and What the Neuropathy Evidence Shows
A peripheral nerve surgeon explains what benfotiamine is, how it differs from ordinary thiamine, the benefits supported by human trials, the doses studied, side effects, and what the evidence shows... Read more...
What to Look for in a Nerve Support Supplement
Nerve support supplements vary widely in quality, purpose, and design—and many rely on marketing claims rather than sound biological reasoning. Because nerve health depends on multiple overlapping systems, meaningful support is rarely achieved through a single ingredient or mechanism alone. Evaluating a supplement requires looking beyond the label to understand dosing, formulation logic, safety, and how ingredients work together over time. This article outlines a practical, evidence-informed framework for assessing nerve support supplements with clarity and confidence. By focusing on formulation principles instead of hype, readers can make more informed... Read more...
Daily Habits That Support Nerve Health: How Metabolism, Movement, and Recovery Shape Nerve Function
Peripheral nerve health is shaped by everyday habits that influence metabolism, energy production, and signal transmission. This article explains how blood sugar stability, nutrition, regular movement, strength training, sleep, and stress management work together to support nerve function over time. By focusing on consistent, metabolically supportive routines, it’s possible to create an internal environment that helps nerves function more efficiently and remain resilient. Read more...
Editorial cross-section of a peripheral nerve showing bundled axons, myelin sheath, fascicles, and the vasa nervorum blood supply, illustrating how high blood sugar damages nerve fibers in diabetic neuropathy — DrFitzNutrition.com
Nerve Health Basics: How Metabolic Health and Blood Sugar Affect Peripheral Nerves
A peripheral nerve surgeon explains exactly how high blood sugar damages nerves, from the single mitochondrial overload that triggers it to the four biochemical pathways and the nerve's own starved... Read more...
Why Nerve Health Declines Over Time — And What Supports It Long Term
Explore how nerve health changes over time and why consistency, lifestyle habits, and long-term nutritional strategies matter for supporting healthy nerve function. Read more...
What Is Nerve Health and Why It Matters
Learn what nerve health is, why it matters, and how long-term nutritional strategies can support nerve function over time. Written from a clinical perspective. Read more...