Neuropathy Supplement Reviews: A Nerve Surgeon Audits 7 Popular Labels

Nerve Health · Neuropathy Supplement Reviews

The ingredient list sells the bottle. The dose and the form decide whether it matches the research.

Most nerve supplement reviews online are written by affiliates who earn a commission on every bottle sold. You can tell, because they review the marketing. They quote the sales page, repeat the ingredient count, paste in a testimonial, and never mention a milligram.

This review does the opposite. It is written for adults dealing with nerve discomfort or early neuropathy, especially readers over 40 who want transparent dosing and real research behind what they take. Over my surgical career I performed more than 3,000 nerve procedures, and I evaluated every new technique the same way: show me the dose, show me the trial. So I ignored the sales pages and went straight to the Supplement Facts panels of the seven nerve supplements people search for most. Then I lined each number up against the doses that were actually tested in human studies of peripheral neuropathy.

That matters because neuropathy supplements vary wildly in dose, form and transparency, and a product that misses the trial-tested ranges can list every right ingredient and still deliver very little of them.

A disclosure before we start. I formulated NeuroAxis, a nerve support supplement sold on this site, and I authored the two published clinical studies on its predecessor formula. That is a conflict of interest and you should weigh it. It is also why NeuroAxis goes through the identical yardstick at the end of this article, including the ingredients where it falls below trial doses.

How I Audited These Labels

The rules were simple, and they were the same for every product.

Only the label counts. I used the Supplement Facts panel from the brand's own label image or official product data, cross-checked against a major retailer or the NIH Dietary Supplement Label Database where possible. Sales-page language, testimonials and "doctor recommended" badges were ignored.

Doses are per daily serving as directed. If a bottle says take two capsules, I scored two capsules. Where directions allow a higher optional dose, I note it separately.

A proprietary blend is scored as undisclosed. A proprietary blend is a group of ingredients listed under one combined weight, without the amount of each. It is legal, and it protects a formula from copycats. It also makes it impossible for you, or me, to know whether the ingredient that has evidence is present at 600 mg or 6 mg.

Formulas change. Two of these brands have reformulated in the last few years. Every figure below reflects what was published as of October 2026, and I note older versions where they are still on store shelves.

The Yardstick: What Doses Did the Research Actually Use?

Before you can grade a label you need an answer key. These are the doses used in the human trials that most nerve supplements cite.

Alpha-lipoic acid (ALA) is an antioxidant that works in both the watery and fatty compartments of a nerve cell, which matters because nerve membranes are fat-rich. In the SYDNEY 2 trial, Ziegler and colleagues gave people with diabetic neuropathy 600, 1,200 or 1,800 mg by mouth daily for five weeks. 600 mg produced the best balance of benefit and tolerability. The higher doses added nausea, not meaningful extra benefit. Those trials used racemic ALA, a 50/50 mix of the R and S forms. R-ALA is the form the body makes naturally. A label that says only "alpha-lipoic acid" is almost always racemic. My full review of alpha-lipoic acid for neuropathy goes deeper.

Methylcobalamin is the active coenzyme form of vitamin B12. The neuropathy trials pooled in a 2020 meta-analysis by Sawangjit and colleagues most often used 1,500 mcg per day. Doses run that high for a reason: at large oral doses only about 1% is absorbed by passive diffusion, so a daily-value amount of 2 to 3 mcg is a nutrition dose, not a neuropathy dose.

Benfotiamine is a fat-soluble form of vitamin B1 that reaches tissue levels plain thiamine cannot. The BENDIP trial (Stracke, 2008) tested 300 and 600 mg per day for six weeks, with the clearer effect at 600 mg.

Acetyl-L-carnitine (ALC) supports mitochondrial energy production in nerve cells. Sima and colleagues (2005) used 500 or 1,000 mg three times daily, so 1,500 to 3,000 mg per day, for a year. A 2019 Cochrane review rated the overall evidence for ALC in neuropathy as very low certainty. Plain L-carnitine is a different molecule and was not what those trials tested.

Palmitoylethanolamide (PEA) is a fat-derived signaling molecule that calms overactive immune cells around nerves. Diabetic neuropathy studies, including Schifilliti and colleagues (2014), used 600 mg per day.

Coenzyme Q10 was tested at 400 mg per day for 12 weeks in the Hernández-Ojeda trial (2012).

Vitamin B6 is the exception where more is worse. Chronic high-dose pyridoxine can itself cause a sensory neuropathy, which I cover in detail in vitamin B6 and peripheral neuropathy. Every product in this review stays at 10 mg or less per day, so none raises a concern on its own, but B6 from multivitamins, energy drinks and fortified foods stacks up.

Magnesium shows up on several of these labels. It is essential for normal nerve function, but for neuropathic pain the evidence is mixed, with studies that do not show a reliable reduction in pain.

The answer key. Every label in this review is graded against these doses, not against the marketing.

The Scorecard: Seven Nerve Supplements Side by Side

"Meets" means the label reaches the trial dose. "Close" means within reach but below the typical trial dose. "Below" means clearly under it. "Undisclosed" means the label does not say.

*Range runs from the best multi-bottle or subscription price to the single-bottle price on each brand's own site, October 2026. **Nerve Renew lists its new doses in product page text; a full Supplement Facts panel was not published in text form at the time of review.

Beyond the Core Three: Pathways and Program

Dose is the first test, not the only one. Nerve damage in neuropathy is not one problem. It is several overlapping ones: oxidative stress (unstable molecules damaging nerve membranes), failing nerve metabolism and myelin upkeep (where the B-complex vitamins work), low mitochondrial energy in long axons that need constant fuel, and a hostile inflammatory environment around the nerve. A formula that touches only one of these is betting everything on that pathway.

So the second scorecard asks two more questions of every product. Which of these four pathways does the label address? And does the product come with a structured plan for the two things that move nerve health more than any capsule: nutrition and lifestyle?

Two honest qualifiers. First, listing an ingredient for a pathway is not the same as dosing it at trial levels; the reviews below say where each product falls short, mine included. Second, the idea that hitting several pathways at once works better than any single ingredient is a reasonable hypothesis drawn from how neuropathy develops, but no supplement combination, including NeuroAxis, has been tested head to head against single ingredients to prove it. Nutritional supplements are best viewed as adjuncts to standard care, not replacements for it. A properly designed trial of the combination is a study I intend to see done.

Two questions, not one: does the label reach the trial dose, and does the product address more than one pathway?

Sofon Review: Two of Three, With One Surprise

Sofon is made for Enclave BioActives of Columbus, Ohio. A serving is two capsules.

On the label: vitamin D3 5,000 IU, methylcobalamin 2,000 mcg, zinc 15 mg, alpha-lipoic acid 600 mg (form not stated), MSM 200 mg, CoQ10 100 mg, green-lipped mussel oil extract 50 mg, and bromelain 6.25 mg. Every amount is disclosed, with no proprietary blend.

How it measures up: Sofon reaches the trial dose for ALA and uses the right form of B12 at a strong dose. That is two of the big three, which is better than most products in this category. The surprise is benfotiamine. Some of Sofon's own marketing copy describes the formula as containing benfotiamine, but the label I reviewed does not list it. If B1 support matters to you, read the panel on the bottle in your hand.

The supporting cast is light. CoQ10 at 100 mg is a quarter of the trial dose. Bromelain at 6.25 mg, standardized to 2,400 GDU per gram, works out to roughly 15 GDU, a small fraction of the amounts typically used in bromelain research. Vitamin D at 5,000 IU is a meaningful dose, so check it against anything else you already take, and checking your vitamin D level before adding more is sensible, especially if you have diabetes.

Sofon side effects to know: the green-lipped mussel makes this a shellfish product, so it is not for anyone with a shellfish allergy. ALA can cause nausea and can lower blood sugar, which matters if you take insulin or a sulfonylurea.

Bottom line: a transparent label that gets the two most important numbers right and leaves benfotiamine out.

Apex Gold Review: A Label You Cannot Check

"Apex Gold" is used by several unrelated products, including an appetite supplement and a brain supplement. This review covers the neuropathy formula distributed by Apex Gold of Aurora, Colorado and sold through useapexlabs.com. A serving is one capsule.

On the label: magnesium 80 mg (as glycinate) and a 575 mg proprietary blend of magnesium glycinate, alpha-lipoic acid, butcher's broom root, L-carnitine, turmeric extract and CoQ10. There are no B vitamins.

How it measures up: the blend hides the ALA dose, and there is no methylcobalamin or benfotiamine at all. The magnesium figure tells you something, though. Depending on the raw material, magnesium glycinate is roughly 14 to 20% elemental magnesium, so 80 mg of magnesium usually takes about 400 to 570 mg of the compound. That is most or nearly all of a 575 mg blend that still has to hold five other ingredients. I cannot confirm the split from the outside. I can tell you the arithmetic leaves very little room for 600 mg of anything.

Two ingredient choices are worth understanding. Butcher's broom is a botanical studied for venous circulation, not neuropathy. And the label lists L-carnitine, not acetyl-L-carnitine, which is the form the nerve trials used.

Bottom line: without disclosed doses and without the B vitamins, there is nothing on this label to measure against the research. Magnesium can also cause nausea, diarrhea and abdominal cramping in some people.

Quiet Nerves Review: Same Ingredient List, Same Problem

Quiet Nerves, sold at quietnerves.com, lists the same six ingredients as Apex Gold: magnesium glycinate, alpha-lipoic acid, butcher's broom, L-carnitine, turmeric (95% curcuminoids) and CoQ10. No per-ingredient amounts are published on the site, and I could not find a readable Supplement Facts panel. The pricing ladder is also identical to Apex Gold's: no single-bottle option, then $158, $207 and $294 for two, three and six bottles.

I cannot tell you whether these are the same product sold through different storefronts. I can tell you that neither one gives you the information you would need to judge it. Several unrelated products on Amazon also use the Quiet Nerves name, so confirm which one you are looking at.

Bottom line: an undisclosed formula with no B vitamins. It cannot be evaluated on dose.

Nerve Recovery Max Review: Right Forms, Wrong Doses

Nerve Recovery Max is distributed from Akron, Ohio and sold through azuravitalbalance.com and Amazon. A serving is two capsules. Do not confuse it with Nerve Recovery Pro, which is a different product.

On the label: vitamin D3 20 mcg, vitamin B6 (printed as 1.7 mcg at 100% of the Daily Value, which is almost certainly a typo for 1.7 mg), folate 383 mcg DFE, methylcobalamin 2 mcg, alpha-lipoic acid 400 mg, benfotiamine 150 mg, acetyl-L-carnitine 50 mg, and ashwagandha, broccoli leaf and turmeric at 25 mg each. Every amount is disclosed.

How it measures up: this is the clearest example of why the ingredient list is not the formula. Nerve Recovery Max uses methylcobalamin, benfotiamine and acetyl-L-carnitine, all the right forms. But 2 mcg of methylcobalamin is a daily-value nutrition dose, roughly 1/750th of what the neuropathy trials used. ALA at 400 mg is two-thirds of the trial dose. Benfotiamine at 150 mg is half the lowest arm of BENDIP. Acetyl-L-carnitine at 50 mg is about 3% of the lowest dose Sima tested. Some listing copy mentions R-ALA; the label says only "alpha lipoic acid."

Bottom line: transparent, and the forms are good. The doses are not in the range the research tested.

Dynamic Nerve Review: The Strongest Core Formula Here

Dynamic Nerve is made by Stonehenge Health of Newport Beach, California. A serving is three capsules.

On the label: vitamin D3 26 mcg, riboflavin 4 mg, vitamin B6 4 mg (pyridoxine HCl), folate 417 mcg DFE (as folic acid), methylcobalamin 2,000 mcg, alpha-lipoic acid 600 mg (form not stated), benfotiamine 300 mg, MSM 200 mg, PEA 100 mg, acetyl-L-carnitine 100 mg and boswellia 100 mg. Every amount is disclosed.

How it measures up: credit where it is due. Dynamic Nerve reaches the trial dose for all three of the core ingredients, with benfotiamine at 300 mg, the lower of the two doses tested against placebo in BENDIP. It discloses everything and comes in among the lowest per-day prices. If you hold every product to the same standard, this one passes it.

The secondary ingredients are where it thins out. PEA at 100 mg is one-sixth of the 600 mg used in the neuropathy studies. Acetyl-L-carnitine at 100 mg is well below the 1,500 mg minimum Sima tested. The product page shows an NSF mark; Amazon describes NSF/ANSI 455 GMP certification, which certifies the manufacturing facility rather than the product itself. If third-party product testing matters to you, look the product up in NSF's public listings.

Bottom line: the core three are where the research says they should be. The extras are mostly label-dressing doses.

NeuraZenx Review: Close, With a Headline to Read Carefully

NeuraZenx is made by Zen Nutrients. The serving is two capsules, and directions allow up to four per day, which matters if you are dealing with neuropathic pain and tempted to assume more is automatically better.

On the label (per 2 capsules): an "ALA Bioavailable Matrix" of 600 mg (alpha-lipoic acid plus R-alpha-lipoic acid as the sodium salt, split not disclosed), methylcobalamin 1,000 mcg, benfotiamine 200 mg, acetyl-L-carnitine 100 mg, L-methylfolate 1,000 mcg DFE, vitamin B6 4 mg, vitamin D3 50 mcg, turmeric 100 mg, BioPerine 5 mg, and a list of botanicals (feverfew, passionflower, skullcap, oat straw) at 5 mg each.

How it measures up: at the standard two-capsule serving, NeuraZenx reaches 600 mg of ALA, comes close on B12, and falls below the lowest trial dose on benfotiamine. It is also the least expensive product here per day.

Read the "1200 mg" on the front of the bottle carefully. That figure is reached only at the maximum four-capsule daily dose, and not all of it is R-ALA. At four capsules you would get 1,200 mg of ALA, a dose the double-blind SYDNEY 2 trial found mainly added nausea without meaningful benefit over 600 mg. The botanicals at 5 mg each are far below any dose studied for anything. An earlier version of this formula (2022) had 2,000 mcg of B12, so check which bottle you have.

Bottom line: a reasonable core at a low price. Go by the serving size on the back, not the headline on the front.

Nerve Renew Review: A 2026 Reformulation

Nerve Renew is sold at nerverenew.com and has been on the market since at least 2017. In August and September 2026 the brand moved to a new five-ingredient formula, so the version you find depends on where you buy.

New formula (per the product page, 4 capsules daily): alpha-lipoic acid 600 mg (form not stated on the current page), PEA 600 mg, acetyl-L-carnitine 500 mg, benfotiamine 300 mg and methylcobalamin 1,000 mcg. At the time of review the full Supplement Facts panel was not published in text form, so these figures come from the brand's product description.

How it measures up: this is a sharper formula than the one it replaced. It reaches the trial dose for ALA and benfotiamine, comes close on B12, and is the only product in this review that includes PEA at the 600 mg dose used in neuropathy studies. Acetyl-L-carnitine at 500 mg is still a third of the lowest trial dose. B6, vitamin D and the old herbal blend are gone.

Older formula (still on some retail listings): 300 mg stabilized R-ALA, methylcobalamin 4,000 mcg, benfotiamine 600 mg, B6 8 mg, riboflavin, vitamin D, and an 84 mg proprietary herbal blend. It was strong on B vitamins and light on ALA. If you are comparing reviews, make sure they describe the same version.

Bottom line: the 2026 formula is one of the two best-dosed products here. Confirm the panel on the bottle before you buy.

Nerve Supplement Side Effects: What Applies Across the Category

Most people searching "Sofon side effects" or "Nerve Recovery Max side effects" are really asking about the ingredients, because these products share most of them. Here is what I would want a patient to know.

Alpha-lipoic acid can cause nausea and heartburn, especially above 600 mg. It can lower blood glucose, so anyone on insulin or a sulfonylurea should monitor more closely when starting it. A rare autoimmune form of low blood sugar has been reported with ALA, mostly in people with a specific genetic background.

Turmeric and curcumin can upset the stomach and may add to the effect of blood thinners. Piperine (BioPerine) increases absorption of curcumin and of some medications too.

Vitamin D is safe at typical doses, but products like Sofon at 5,000 IU can stack with a separate D supplement. Vitamin B6 should be added up across everything you take. Shellfish-derived ingredients such as green-lipped mussel are a hard stop for anyone with a shellfish allergy.

Methylcobalamin and benfotiamine have excellent safety records in trials and are generally well tolerated. If you take prescription medications, show the label to your prescriber or pharmacist before starting any of these.

Marketing Red Flags on Nerve Supplement Sales Pages

Dietary supplements in the US are allowed to make structure/function claims ("supports healthy nerve function") but not claims to treat or cure a disease. When a sales page promises to regenerate nerves, reverse neuropathy or end nerve pain, it is promising more than any supplement has demonstrated. Other patterns worth noticing:

• "Clinically studied ingredients" describes trials of individual ingredients, often at different doses, not trials of the product.

• A front-label milligram figure that is reached only at the maximum daily dose, or that combines several ingredients.

• No single-bottle option paired with large struck-through prices.

• Guarantees with fine print such as most-recent-order-only, restocking fees or return windows that start at purchase rather than delivery.

Where NeuroAxis Lands on the Same Yardstick

It would be easy to end a review like this by declaring my own product the winner. Instead, here are the same numbers, held to the same standard.

NeuroAxis daily dose (6 tablets): R-alpha-lipoic acid 600 mg, methylcobalamin 2,000 mcg, benfotiamine 300 mg, vitamin B6 10 mg (pyridoxine HCl), acetyl-L-carnitine 600 mg, N-acetyl cysteine 900 mg, CoQ10 150 mg, curcumin 500 mg with BioPerine 10 mg, vitamin D3 800 IU, bromelain 600 GDU and serrapeptase 40,000 SU. Every amount is disclosed.

Why the formula is built this way: the core three handle oxidative stress and B-vitamin support at trial doses. Around them, I added ingredients for the pathways most formulas skip. N-acetyl cysteine is a precursor to glutathione, the nerve cell's main internal antioxidant. Acetyl-L-carnitine and CoQ10 support mitochondrial energy in the longest axons in the body. Curcumin with BioPerine, bromelain and serrapeptase target the inflammatory and tissue environment around the nerve, the swelling and scarring I saw around compressed nerves in the operating room. On the pathway scorecard, NeuroAxis is the only product that addresses all four with every amount disclosed.

Where it meets the research: all three core ingredients reach trial doses, and the ALA is the R form. Where it does not: acetyl-L-carnitine at 600 mg is below the 1,500 to 3,000 mg used by Sima, CoQ10 at 150 mg is below the 400 mg trial dose, and benfotiamine sits at the lower of the two BENDIP arms. Six tablets a day is also a real commitment, and some people will find that harder than two capsules. And at $2.00 to $2.33 a day ($59.99 a month on subscription, $69.99 for a single bottle), it sits at the upper end of this group on price. That price covers a full 30-day supply of all eleven ingredients plus the Protocol.

On clinical data: I published two small studies of NeuroGen, the predecessor formula, in patients recovering from endoscopic carpal tunnel release. Both were single-surgeon, non-randomized, with short two-week follow-up, and neither studied neuropathy. They are a starting point, not proof, and I take them apart line by line in my NeuroAxis review.

The bigger difference is philosophical. I treat a nerve support supplement as the third and smallest of three pillars, after nutrition and lifestyle. The human studies that actually increased nerve fiber density used diet and exercise, not pills. That is why every NeuroAxis order includes the 160-page NeuroAxis Protocol guide at no extra cost, which turns a bottle into a program meant to complement your medical care, not replace it:

• Pillar 1, Nutrition: how to eat to stabilize blood sugar and reduce the metabolic stress that drives most neuropathy.

• Pillar 2, Lifestyle intervention: exercise, sleep and daily habits, the interventions with the strongest human evidence for nerve fiber regrowth.

• Pillar 3, Targeted nutrients: where NeuroAxis fits, how to take it, and how to judge whether it is helping.

None of the other seven products I reviewed includes anything comparable. In my view that matters more than any single milligram on the label, because a supplement taken on top of uncontrolled blood sugar and a sedentary routine is working against the current.

Nutrition and lifestyle first. The nutrient layer is the third pillar, not the first.

So Which Neuropathy Supplement Is Best?

The best neuropathy supplement is not the one with the longest ingredient list or the loudest guarantee. It is the one that delivers the ingredients with real human evidence at the doses that were tested, discloses every amount, and that you will actually take every day for the months nerves need to respond.

And it should never be the first step. Peripheral neuropathy has well over a hundred causes, including B12 deficiency, thyroid disease, prediabetes, medication effects and nerve compression that a supplement will not fix. In my practice, some of the most rewarding cases were people who had been treating "neuropathy" for years when the real problem was a compressed nerve. Get evaluated, fix what is fixable, then decide whether a supplement belongs on top. If your tests have come back normal, read why a normal EMG does not rule out nerve damage.

Frequently Asked Questions

Does Sofon really work?

No study has tested Sofon itself. Its label does reach the trial doses for alpha-lipoic acid (600 mg) and methylcobalamin (2,000 mcg), which are two of the three best-studied nerve ingredients. The label I reviewed does not include benfotiamine. Results in the trials behind those ingredients were modest and took weeks to months.

What are the side effects of nerve supplements like Sofon or Nerve Recovery Max?

The most common are stomach upset and nausea, usually from alpha-lipoic acid. ALA can also lower blood sugar, which matters if you take diabetes medication. Products containing green-lipped mussel are unsuitable for people with shellfish allergies, and turmeric can add to the effect of blood thinners. Ingredients that are well tolerated on their own can still interact with prescription medications, so review the label with your pharmacist.

Is Dynamic Nerve a good nerve supplement?

On label dosing, it is one of the strongest in this review: 600 mg alpha-lipoic acid, 2,000 mcg methylcobalamin and 300 mg benfotiamine, all disclosed. Its secondary ingredients, PEA and acetyl-L-carnitine, are well below the doses used in studies.

Are Apex Gold and Quiet Nerves the same product?

They list the same six ingredients and use the same price tiers. Neither publishes individual ingredient amounts, so I cannot confirm whether the formulas are identical. Neither contains B vitamins.

What should I look for in a nerve supplement?

Every ingredient listed with its own amount, alpha-lipoic acid at 600 mg, B12 as methylcobalamin at 1,000 mcg or more, benfotiamine at 300 mg or more, and a modest B6 dose. Beyond the dose, look at how many nerve-damage pathways the formula addresses and whether it comes with guidance on nutrition and lifestyle. Then confirm with your doctor that a deficiency, medication or compression problem has been ruled out.

How long do nerve supplements take to work?

In the trials, symptom changes appeared within roughly 4 to 12 weeks depending on the ingredient, and some studies ran a year. Nerve tissue regenerates slowly, so the realistic goal is gradual symptom improvement rather than immediate repair. Give any formula at least three months before judging it. I cover the timelines ingredient by ingredient in how long nerve supplements take to work.

Can a supplement reverse neuropathy?

No supplement has been shown to reverse neuropathy. The ingredients in this review have evidence for supporting nerve function and easing symptoms in some people. The interventions with the best evidence for improving nerve fiber density are glucose control, diet and exercise.

Label Sources (Reviewed October 7, 2026)

Sofon: Enclave BioActives label images on Amazon (ASIN B0FDQZ6RW6); enclavebioactives.com/products/sofon

Apex Gold: official label image, useapexlabs.com/nerve

Quiet Nerves: quietnerves.com (no panel published)

Nerve Recovery Max: label image, azuravitalbalance.com/products/nerve-recovery-max; Amazon ASIN B0DG6DPFXV

Dynamic Nerve: Supplement Facts image DN-3-SuppFacts-V02R04, stonehengehealth.com/products/dynamic-nerve

NeuraZenx: zennutrients.com/products/neurazenx; Vitacost panel; NIH DSLD label 277223 (2022 version)

Nerve Renew: nerverenew.com product page (2026 formula); NIH DSLD label 279117 (prior formula)

About the Author

Dr. Michael Fitzmaurice, MD is a fellowship-trained peripheral nerve surgeon with a background in nerve physiology, metabolic health, and applied exercise physiology. Through years of surgical practice, during which he performed more than 3,000 peripheral nerve procedures, he has observed the close relationship between metabolic health, cellular energy production, and nervous system function. His work focuses on how physical activity, recovery biology, and nutrition-informed strategies relate to long-term nerve and metabolic health.

He oversees Dr. Fitz Nutrition, an education-first initiative translating evidence-informed research into thoughtfully designed formulations for nerve and metabolic health, and believes that patients who understand the science make better decisions about their care.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

This content is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Individual results vary. Always consult a qualified healthcare provider regarding your individual medical situation. Product information reflects publicly available labels and brand websites as of October 7, 2026, and formulations change; check the current label before purchasing. Brand names belong to their respective owners, and no brand reviewed here sponsored or approved this article. Dr. Fitzmaurice formulated, and has a financial interest in, NeuroAxis, and is the author of both studies on its predecessor formula.