If you have been searching online for ways to relieve burning, tingling, numbness or nerve pain, you may have come across supplements promoted as supporting nerve health or helping people with peripheral neuropathy.

FlexiNerve is one of those products.

It contains a combination of vitamins, minerals and nutritional compounds including alpha-lipoic acid, benfotiamine, L-carnitine, magnesium, Coenzyme Q10 and B vitamins.

Some of these ingredients are scientifically interesting. Alpha-lipoic acid in particular has been studied in people with diabetic peripheral neuropathy.

But that raises an important consumer question:

If an ingredient has been studied in clinical trials, does that mean every supplement containing that ingredient has also been clinically proven to work?

No.

Research involving an individual ingredient is not automatically evidence for a finished branded supplement. The dose used, formulation, combination of ingredients, duration of treatment and whether the finished product itself has actually undergone clinical testing can all matter.

For this review, we looked beyond FlexiNerve’s ingredient list and considered the available research, dosage questions, marketing claims, regulatory issues and other information consumers may want to consider before buying the product.

FlexiNerve Review: The Quick Answer

We could not find sufficient independent clinical evidence to conclude that the finished FlexiNerve product has been proven to treat peripheral neuropathy, repair damaged nerves or reliably produce the rapid results suggested by some of its marketing.

That does not mean every ingredient in FlexiNerve is ineffective.

Several ingredients have recognised nutritional or physiological roles, and some have been investigated in relation to nerve health.

Alpha-lipoic acid is the most significant example. There is genuine human clinical research investigating ALA in diabetic peripheral neuropathy.

However, there is an important difference between saying:

“This supplement contains ingredients that have been researched.”

and saying:

“This particular finished supplement has been clinically proven to produce those results.”

Those statements are not interchangeable.

Based on the evidence we were able to identify, we believe FlexiNerve should be assessed as a multi-ingredient dietary supplement containing some scientifically interesting ingredients, rather than as a clinically proven treatment for peripheral neuropathy.

What Is FlexiNerve?

FlexiNerve is marketed primarily towards people experiencing symptoms commonly associated with peripheral neuropathy, including:

• burning;
• tingling;
• pins and needles;
• numbness;
• nerve discomfort; and
• increased sensitivity in the hands or feet.

The product has been sold online through Lyrawell and uses a multi-ingredient formulation rather than relying on a single active ingredient.

A long ingredient list can look impressive, but the number of ingredients does not by itself tell us whether a supplement will produce a meaningful clinical benefit.

When assessing a product such as FlexiNerve, we think consumers should ask four questions:

1. Do the individual ingredients have credible scientific or nutritional roles?
2. Are those ingredients included at meaningful doses?
3. Has the finished FlexiNerve formulation itself been clinically studied?
4. Does the available evidence support the specific claims being made about the finished product?

A supplement may pass the first test while still failing to provide convincing answers to the remaining three.

What Ingredients Are in FlexiNerve?

FlexiNerve has been promoted as containing ingredients including:

• alpha-lipoic acid;
• benfotiamine;
• L-carnitine;
• Coenzyme Q10;
• magnesium;
• B vitamins; and
• other nutritional compounds.

Several of these ingredients have genuine biological functions and some have been investigated in relation to diabetes, nerve function or neuropathy.

We therefore do not think it would be fair to dismiss the product simply because it is a dietary supplement.

The more important question is whether research on those individual ingredients supports the stronger claims being made about FlexiNerve itself.

Alpha-Lipoic Acid: What Does the Research Actually Show?

Alpha-lipoic acid, usually abbreviated to ALA, is probably the most scientifically interesting ingredient in FlexiNerve from a diabetic neuropathy perspective.

ALA is an antioxidant that has been studied in people with diabetic peripheral neuropathy, and there is legitimate clinical research examining whether it can improve symptoms.

However, the evidence is not completely consistent.

A 2024 systematic review and network meta-analysis published in the Canadian Journal of Diabetes examined alpha-lipoic acid and gamma-linolenic acid for diabetic neuropathy. The analysis found an improvement in Total Symptom Score with alpha-lipoic acid at 600mg per day compared with control.

You can view the research here: 2024 systematic review and network meta-analysis of alpha-lipoic acid for diabetic neuropathy.

However, a separate 2024 Cochrane review reached a more cautious conclusion when considering trials in which ALA was taken for at least six months.

The Cochrane reviewers concluded that alpha-lipoic acid probably has little or no effect on neuropathy symptoms after six months and may have little or no effect on impairment. The review included studies using ALA doses ranging from 600mg to 1800mg per day.

You can read the Cochrane summary here: Cochrane review of alpha-lipoic acid for diabetic peripheral neuropathy.

For consumers, the takeaway is not that alpha-lipoic acid has no scientific basis. It clearly has been studied.

Rather, the evidence should be presented with appropriate context. Some analyses have reported improvements in neuropathy symptom scores, while high-quality longer-term evidence has been considerably less convincing.

That makes it inappropriate to describe ALA as a universally proven treatment for diabetic neuropathy.

There is another issue that is particularly important when assessing FlexiNerve:

research involving alpha-lipoic acid is evidence about alpha-lipoic acid. It is not automatically clinical evidence for FlexiNerve.

If research reporting benefits used 600mg of ALA per day, consumers need to know how much ALA is actually contained in the recommended daily dose of the finished supplement before assuming those findings apply.

For comparison: we recently investigated a much higher-dose alpha-lipoic acid supplement in our Root of Nature R-Alpha Lipoic Acid 600mg review. Our investigation highlights an important distinction that also applies when assessing FlexiNerve: clinical research showing potential benefits from a particular ingredient or dose does not automatically prove that a finished branded supplement has been clinically tested or will produce the same results. Consumers should look at the actual formulation, dosage and evidence for the specific product rather than assuming that research on an individual ingredient validates the product as a whole.

Benfotiamine

Benfotiamine is a fat-soluble derivative of vitamin B1, or thiamine.

It has been investigated in connection with diabetic complications, including diabetic neuropathy, which provides a reasonable scientific basis for its inclusion in a nerve-support supplement.

However, the same principle applies here.

Evidence relating to benfotiamine does not prove that every multi-ingredient supplement containing benfotiamine will produce the results reported in research involving that ingredient.

The amount provided, duration of use, formulation and combination with other ingredients all matter.

L-Carnitine

Carnitine compounds are involved in cellular energy metabolism and have also attracted scientific interest in neuropathy research.

That makes L-carnitine another ingredient worth examining rather than dismissing.

But evidence suggesting potential benefits from certain carnitine compounds should not be converted into broad claims that a finished supplement can regenerate or repair damaged peripheral nerves unless clinical research actually demonstrates that outcome.

Magnesium and Coenzyme Q10

Magnesium and Coenzyme Q10 are familiar nutritional compounds with established roles in normal physiology.

Magnesium contributes to normal muscle and nerve function and participates in many biochemical processes throughout the body.

Coenzyme Q10 is involved in cellular energy production.

Neither ingredient is inherently questionable.

The issue is the strength of the claims being attached to them.

Supporting normal physiological function is different from demonstrating that an ingredient can treat, cure or reverse peripheral neuropathy.

The Question Consumers Often Miss: How Much Is Actually in FlexiNerve?

This may be one of the most important questions in the entire review.

Consumers often look at an ingredient list and recognise names such as alpha-lipoic acid, magnesium or benfotiamine.

They may then search for those ingredients online, find clinical research and reasonably think:

“There is research behind these ingredients, so this product must be evidence based.”

But that leaves out a critical part of the equation:

How much of each ingredient are you actually receiving?

An ingredient appearing on a label does not establish that the product contains the same amount used in clinical trials.

Imagine that a research study investigates 600mg of a particular ingredient per day and reports an improvement.

If a commercial product contains only a small fraction of that dose, it would not be reasonable to assume that it should automatically reproduce the study’s result simply because the ingredient name appears on the label.

This leads to one of the key principles we use when reviewing supplements:

A clinically studied ingredient is not necessarily a clinically studied product.

Ideally, consumers should be able to see a clear supplement facts or ingredient panel showing exactly how much of each active ingredient is provided in the recommended daily dose.

Those amounts can then be compared with the doses actually investigated in relevant clinical research.

Without that comparison, terms such as “science-backed ingredients” can be technically true while still giving consumers an incomplete picture of the evidence supporting the finished product.

Can FlexiNerve Really Provide Relief Within 24 Hours?

Promises of very rapid relief are naturally appealing to people living with persistent burning, tingling, numbness or nerve pain.

However, peripheral neuropathy is not one single disease with one simple cause.

Possible causes include diabetes, nutritional deficiencies, medication effects, excessive intake of certain nutrients, alcohol use, autoimmune disease, infections, chemotherapy, nerve compression and a range of other medical conditions.

The underlying cause matters because it can affect both treatment and prognosis.

Some people may experience changes in symptoms relatively quickly, but a subjective improvement in symptoms should not be confused with evidence that damaged peripheral nerves have physically regenerated within 24 hours.

Those are very different claims.

During our review, we could not identify independent clinical evidence demonstrating that the finished FlexiNerve formulation regenerates damaged peripheral nerves within 24 hours.

We would therefore treat claims suggesting dramatic nerve repair over such a short timeframe with considerable caution unless supporting clinical research is provided.

What About Claims That FlexiNerve Is “93% More Effective”?

Specific percentages can make advertising appear particularly scientific.

If consumers see a claim that something is “93% more effective”, however, several questions need to be answered:

• 93% more effective than what?
• What outcome was measured?
• How many people participated?
• Was there a placebo or comparison group?
• Who conducted the research?
• Was the study independent?
• Was it peer reviewed?
• Where was it published?

A customer survey in which people report feeling better is very different from a randomised controlled clinical trial showing that a treatment produced a 93% improvement over placebo or another treatment.

During our review, we were unable to identify independent published clinical evidence substantiating the specific “93% more effective” claim associated with FlexiNerve marketing.

That does not establish where the figure came from or prove that no underlying data exists.

It means we could not independently verify the percentage as an established clinical finding from the evidence available to us.

Until supporting data is publicly available, consumers may wish to regard the percentage as a marketing claim rather than an independently established medical statistic.

What About the Doctor Endorsement?

Another aspect of FlexiNerve marketing that attracted our attention was an endorsement attributed to “Dr. Arthur Thompson, Neurologist.”

A medical specialist’s endorsement can understandably influence a consumer’s decision, particularly when a product is being marketed for symptoms associated with a neurological condition.

However, an expert endorsement is most useful when consumers can independently establish who the expert is, their qualifications, professional history and relationship with the company or product.

When we investigated this endorsement, we were unable to independently establish sufficient information connecting the named neurologist with FlexiNerve or independently confirming the endorsement attributed to him.

That does not prove the endorsement is fabricated, and we are not claiming that it is.

It means we could not independently verify it from the information reasonably available to us.

Where medical authority is being used to increase confidence in a supplement marketed for peripheral neuropathy, we believe transparent and verifiable information about the person providing the endorsement is particularly important.

What Do We Know About Lyrawell?

Because FlexiNerve has been sold through Lyrawell, consumers may also want to look at the company selling the product rather than considering the ingredients alone.

When buying supplements online, it is worth checking:

• who operates the website;
• where the seller is located;
• the current refund policy;
• where returns must be sent;
• who pays return postage; and
• whether overseas return shipping is required.

During our earlier review we located at least one Australian customer review on Trustpilot raising concerns about the product received, the use of a Melbourne address and the process required to seek a refund.

One customer review does not establish a pattern of conduct and should not be treated as representative of every customer’s experience.

It does, however, reinforce the value of reading the seller’s current refund and returns conditions carefully before purchasing.

Is FlexiNerve FDA Approved?

Consumers should be careful when interpreting phrases such as “FDA registered” or “manufactured in an FDA-registered facility.”

Those terms are not the same as saying the finished supplement has been FDA approved as a treatment for peripheral neuropathy.

In the United States, dietary supplements generally do not undergo the same pre-market approval process for safety and effectiveness that applies to approved prescription medicines.

A manufacturing facility being registered with the FDA also does not establish that the FDA has clinically tested FlexiNerve, confirmed its formulation works as claimed or determined that it repairs peripheral nerves.

“Manufactured in an FDA-registered facility” and “FDA approved” are not equivalent claims.

Is FlexiNerve TGA Approved in Australia?

Australian consumers should also understand the difference between therapeutic goods that are listed and those that are registered on the Australian Register of Therapeutic Goods.

Many vitamins and complementary medicines sold in Australia are listed medicines.

Listed medicines are generally considered lower risk and are regulated differently from higher-risk registered medicines.

The appearance of a listed medicine on the ARTG should not automatically be interpreted as meaning that the TGA has independently conducted clinical trials and confirmed every marketing claim associated with the product.

Consumers considering FlexiNerve should check its current Australian regulatory status directly rather than relying solely on wording appearing in online advertising.

Could a Nerve Supplement Actually Make Neuropathy Worse?

This is an issue that deserves particular attention.

Vitamins are essential nutrients, but more is not always better when they are taken in concentrated supplemental form.

Vitamin B6 is especially relevant for anyone already experiencing tingling, burning or numbness.

Australia’s Therapeutic Goods Administration has warned that supplementary vitamin B6 can itself cause peripheral neuropathy.

The TGA has reported that neuropathy can occur at supplemental doses below 50mg per day and that cases have occurred when people unknowingly consumed B6 from more than one supplement.

The regulator also states that no minimum dose, minimum duration of use or specific individual risk factor has been established for vitamin B6-associated peripheral neuropathy.

You can read the TGA safety information here: TGA: Peripheral neuropathy with supplementary vitamin B6.

None of this means that FlexiNerve itself will cause neuropathy.

It does mean that people taking a nerve-health supplement should check their total daily intake of vitamin B6 from all supplements rather than considering one product in isolation.

B6 can also appear in multivitamins, magnesium products, vitamin-B complexes and other nutritional supplements.

Someone already experiencing tingling, burning or numbness may therefore want to discuss their total supplemental B6 exposure with their GP, pharmacist or another qualified healthcare professional.

So, Does FlexiNerve Actually Work?

After considering the ingredients, available research and the claims associated with FlexiNerve, we return to the central question.

Has FlexiNerve itself been convincingly demonstrated in independent clinical trials to treat peripheral neuropathy?

Based on the evidence we were able to identify, we could not establish that it has.

That does not mean there is no science behind any of its ingredients.

ALA has a genuine research history in diabetic neuropathy, although the evidence is mixed. Other ingredients have recognised nutritional roles or varying degrees of research behind them.

That gives FlexiNerve a more plausible scientific foundation than a product relying entirely on obscure ingredients and unsupported terminology.

But plausible ingredients are not the same thing as a clinically proven finished product.

Before accepting claims that FlexiNerve repairs damaged nerves, addresses the “root cause” of neuropathy or produces extraordinary improvement within 24 hours, we would want to see appropriately designed independent clinical research conducted on the actual FlexiNerve formulation.

Until that evidence is available, we think it is more accurate to describe FlexiNerve as a supplement containing some potentially interesting nerve-health ingredients rather than a clinically proven treatment for peripheral neuropathy.

Is FlexiNerve a Scam?

This is one of the most common questions consumers ask about supplements that make strong health claims.

We do not have sufficient evidence to describe FlexiNerve itself as a scam.

Calling a product or company a scam is a serious allegation and requires much stronger evidence than identifying advertising claims that may be exaggerated, difficult to independently verify or unsupported by the clinical evidence we were able to locate.

What we can say is that our investigation identified several reasons for caution.

These include:

• specific effectiveness percentages we could not independently substantiate;
• claims relating to very rapid relief or nerve repair that appear stronger than the clinical evidence we reviewed;
• a medical endorsement we were unable to independently verify to our satisfaction;
• questions about whether ingredient doses correspond with doses used in clinical research; and
• the need for consumers to carefully examine refund and return arrangements before purchasing.

Taken together, these issues do not prove that FlexiNerve is a scam.

Our conclusion is more measured:

There isn’t enough independent evidence to justify the level of confidence suggested by some of FlexiNerve’s advertising.

A supplement can contain legitimate ingredients while still being marketed with claims that go beyond what available evidence can reasonably establish.

The important question is not whether we can attach a dramatic label to the product. It is whether consumers are being given enough reliable and independently verifiable information to make an informed decision.

FlexiNerve Pros and Cons

Potential Positives

• Contains several recognised nutritional ingredients.
• Alpha-lipoic acid has been investigated in human clinical research involving diabetic peripheral neuropathy.
• Benfotiamine and other ingredients also have scientific or nutritional relevance.
• A multi-ingredient formula may be more convenient than purchasing several individual supplements.

Reasons for Caution

• We could not identify convincing independent clinical trials of the finished FlexiNerve formulation demonstrating the advertised outcomes.
• Some marketing claims appear considerably stronger than the evidence we could independently verify.
• Specific claims such as “93% more effective” require supporting methodology and clinical data before they should be treated as established medical findings.
• We could not independently verify the medical endorsement to our satisfaction.
• The dose of each ingredient is important when attempting to compare the product with published clinical research.
• Consumers should examine the seller’s refund and returns policy carefully before purchasing.

What Should You Do If You Have Tingling, Burning or Numbness?

If you are experiencing persistent tingling, burning, numbness or nerve pain, it can be tempting to buy a supplement promising quick relief.

However, peripheral neuropathy has many possible causes.

Diabetes is one, but other possibilities include nutritional deficiencies, excessive intake of certain supplemental vitamins, medication effects, alcohol use, nerve compression and various medical conditions.

If symptoms are new, persistent, worsening or unexplained, consider discussing them with your GP or another qualified healthcare professional rather than relying on an online supplement advertisement to identify the cause.

Finding out why the symptoms are occurring may be more important than choosing between competing nerve supplements.

Our Final Verdict on FlexiNerve

We would not dismiss FlexiNerve simply because it is a dietary supplement.

Some of its ingredients are genuinely interesting, and alpha-lipoic acid in particular has been subjected to legitimate clinical research in diabetic peripheral neuropathy.

But the central distinction remains:

Evidence for an ingredient is not automatically evidence for the finished branded product.

At the time of this update, we could not identify sufficient independent clinical evidence establishing that FlexiNerve itself repairs damaged nerves, cures peripheral neuropathy or reliably produces dramatic improvement within 24 hours.

That does not mean an individual taking the supplement could never report feeling better. Personal experiences vary and some ingredients may produce genuine nutritional or physiological effects.

But individual testimonials and biologically plausible ingredients are not substitutes for properly conducted clinical trials of the finished formulation.

For that reason, our view remains that FlexiNerve should be approached with appropriate caution, particularly where its strongest marketing claims are concerned.

We would want to see considerably stronger independent evidence before accepting claims of rapid nerve repair or dramatic improvements in peripheral neuropathy.

Frequently Asked Questions

Does FlexiNerve really work?

We could not find sufficient independent clinical evidence showing that the finished FlexiNerve formulation has been proven to treat peripheral neuropathy. Some individual ingredients have been researched, but that does not establish that FlexiNerve itself produces the advertised results.

Can FlexiNerve cure neuropathy?

We found no convincing independent evidence that FlexiNerve cures peripheral neuropathy. Neuropathy can have many different causes, so appropriate treatment depends heavily on identifying the underlying problem.

Can FlexiNerve repair damaged nerves?

Some nutrients support normal nervous-system function, but we could not identify independent clinical evidence demonstrating that the finished FlexiNerve supplement regenerates damaged human peripheral nerves.

How quickly does FlexiNerve work?

We could not identify sufficient independent evidence supporting claims that FlexiNerve produces dramatic nerve repair or neuropathy relief within 24 hours.

Are FlexiNerve’s ingredients legitimate?

Several ingredients are legitimate nutritional compounds. Alpha-lipoic acid has been studied in diabetic peripheral neuropathy, while benfotiamine and some other ingredients have varying levels of scientific research behind them. Evidence for individual ingredients should not be confused with evidence for the finished FlexiNerve formulation.

What does research say about 600mg alpha-lipoic acid?

There is genuine clinical research involving 600mg per day of alpha-lipoic acid. A 2024 network meta-analysis reported improvements in neuropathy symptom scores at this dose, while a separate 2024 Cochrane review of longer-term treatment was considerably less positive. This is why consumers should look at the total body of evidence rather than relying on one favourable study.

Is FlexiNerve FDA approved?

Dietary supplements generally do not undergo FDA pre-market approval for effectiveness in the same manner as prescription medicines. A statement that a product is manufactured in an FDA-registered facility should not be interpreted as evidence that the FDA has approved FlexiNerve as an effective treatment for neuropathy.

Is FlexiNerve TGA approved?

Australian consumers should check the product’s current ARTG status directly. A complementary medicine being listed on the ARTG does not automatically mean the TGA has independently clinically proven every advertising claim made for the product.

Can vitamin B6 cause neuropathy?

Yes. Australia’s TGA warns that supplemental vitamin B6 can cause peripheral neuropathy. The regulator has reported cases at doses below 50mg per day and notes that there is no established minimum dose or duration at which the problem can occur. People taking several supplements should check their combined B6 intake.

Is FlexiNerve a scam?

We do not have sufficient evidence to describe FlexiNerve itself as a scam. We did, however, identify marketing claims and other matters that we could not independently substantiate to our satisfaction, which is why we believe consumers should approach the product with appropriate caution.

Should I take FlexiNerve for neuropathy?

If you have persistent burning, tingling, numbness or nerve pain, consider discussing the symptoms with your GP, pharmacist or another qualified healthcare professional before relying on a supplement. Establishing the cause of the symptoms can be more important than attempting to treat them with an over-the-counter product.

Sources and Further Reading

• Prado MB Jr, Adiao KJB. Alpha-lipoic acid and gamma-linolenic acid for diabetic peripheral neuropathy: systematic review and network meta-analysis, 2024.
• Cochrane: Alpha-lipoic acid for diabetic peripheral neuropathy, 2024.
• Therapeutic Goods Administration: Peripheral neuropathy with supplementary vitamin B6.
• Brighton Savoy: Root of Nature R-Alpha Lipoic Acid 600mg Review.

Important Disclaimer

This article is an independent consumer review based on publicly available information and evidence we were able to identify and assess at the time of publication. We have made reasonable efforts to present the information accurately and fairly.

This article is provided for general information and consumer education only. It is not medical advice and should not be used to diagnose, treat or manage peripheral neuropathy or any other medical condition.

Information about supplements, product formulations, clinical research, regulatory status, marketing claims, sellers and companies can change over time. The fact that we were unable to identify particular evidence during our investigation should not necessarily be interpreted as proof that such evidence does not exist.

If Lyrawell, FlexiNerve or another relevant party can provide clinical studies, supporting documentation, corrections or clarification relating to any matter discussed in this review, Brighton Savoy is willing to consider that information and update or correct this article where appropriate.

Our aim is to provide readers with a balanced, transparent and evidence-based assessment using the best information reasonably available to us.

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