Dr. Fitz - Nerve Health

Dr. Fitz - Nerve Health Nerve pain or neuropathy?

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How Many Metabolic Problems Are Stacking Up?When it comes to neuropathy, looking at one number at a time may miss part o...
08/20/2026

How Many Metabolic Problems Are Stacking Up?

When it comes to neuropathy, looking at one number at a time may miss part of the picture.

Metabolic syndrome is not just about glucose. It reflects a cluster of abnormalities that can include:

• Elevated glucose
• Increased waist circumference
• High triglycerides
• Low HDL
• Elevated blood pressure

Research suggests that as these metabolic abnormalities accumulate, nerve outcomes may worsen.

That is why I think “metabolic burden” is a useful way to think about nerve health.

Instead of asking only, “What is my A1C?” it may be worth asking, “How many metabolic stressors are affecting my nerves at the same time?”

I break down the research, what it may mean for neuropathy, and the practical implications in the full article:

https://drfitznutrition.com/blogs/nerve-health-nutrition/metabolic-syndrome-neuropathy

Which of these five factors have you had checked recently?

08/20/2026

Nerve health is more complicated than finding one “magic” ingredient.

A 2026 laboratory study examined B1, B6, B12, vitamin D3, and alpha-lipoic acid in models of nerve cell degeneration, and the nutrients did not appear to behave identically.

The B-vitamin combination supported neurite regeneration. Vitamin D3 also promoted neurite extension through apparently distinct mechanisms. Alpha-lipoic acid showed a different pattern, with the findings more consistent with antioxidant protection than regeneration in this particular model.

That distinction matters.

Supporting nerve structure and repair, influencing neurotrophic and gene-signaling pathways, and protecting against oxidative stress are not necessarily the same biological job.

This was an in vitro study, so these findings should not be interpreted as proof that a supplement regenerates human peripheral nerves.

But the study provides an interesting mechanistic rationale for thinking about nerve nutrition as a multi-pathway problem rather than searching for one ingredient to do everything.

That is the same general approach I used when I formulated NeuroAxis.

See all 12 ingredients and exact amounts here:
https://drfitznutrition.com/products/neuroaxis

Reference: Viel C, et al. Nutrients. 2026;18:2555. doi:10.3390/nu18152555

08/19/2026

If burning, tingling, or nerve pain seems worse when you get into bed, it may not be only the nerve problem itself.

Pain can disrupt sleep, but poor sleep can also increase sensitivity to pain the next day. Over time, that can create a cycle where nerve symptoms make sleep worse and poor sleep makes those symptoms harder to tolerate.

That is why I would not focus only on what you can take before bed.

A consistent wake-up time, a regular wind-down routine, a cool and dark bedroom, and reducing physical irritation from sheets can all be worth addressing.

For people whose feet are extremely sensitive to contact, something as simple as a blanket lifter or bed cradle can sometimes eliminate one source of nighttime irritation.

And if insomnia has become persistent, it is worth addressing the sleep problem itself rather than assuming it simply comes with neuropathy.

Better sleep will not repair an injured nerve by itself, but breaking the sleep-pain cycle may make symptoms easier to manage.

For more practical information, I created a free Nerve Health Blueprint covering additional ways to support nerve health:

https://drfitznutrition.com/pages/nerve-health-blueprint

What Makes NeuroAxis Different From Typical Nerve Support Supplements?Most nerve supplements focus almost entirely on th...
08/19/2026

What Makes NeuroAxis Different From Typical Nerve Support Supplements?

Most nerve supplements focus almost entirely on the bottle.

I wanted NeuroAxis to take a broader approach.

After performing more than 3,000 peripheral nerve procedures, one thing became very clear to me: nerve health is rarely influenced by a single pathway.

That is why NeuroAxis combines 12 targeted ingredients in fully disclosed amounts, including benfotiamine, methylcobalamin B12, R-alpha lipoic acid, acetyl-L-carnitine, NAC, curcumin, CoQ10 and other nutrients selected to support different aspects of nerve function.

There are no proprietary blends, so you can see exactly what you are taking and how much.

But the supplement is only part of the approach.

Every NeuroAxis order also includes my 104-page NeuroAxis Protocol free with purchase. It covers the broader areas that may influence nerve health, including nutrition, metabolic factors, lifestyle, movement, recovery, and supplementation strategy.

If you have been searching for a nerve support supplement, peripheral neuropathy nutrition information, or a more comprehensive nerve health approach, you can see the full NeuroAxis formula and protocol here:

https://drfitznutrition.com/pages/nerve-health-support

3 Weeks In? Don’t Judge It YetOne of the biggest mistakes people make with nerve supplements is judging them on a painki...
08/18/2026

3 Weeks In? Don’t Judge It Yet

One of the biggest mistakes people make with nerve supplements is judging them on a painkiller timeline.

If you are only 2 or 3 weeks in, that is usually too early to make a fair decision.

Nerve support is different from taking something for quick symptom relief. A supportive formula may help create a better environment for recovery, but nerve biology moves much more slowly.

That is why I often think in a simple framework:

30 days: build a baseline and stay consistent
60 days: look for early trends, not a cure
90 days: make a reasoned judgment

Just as important, do not track pain alone.

Look at:
• Symptom frequency
• Night-time flares
• Balance
• Activity tolerance
• Daily function

I break down the full 30-, 60-, and 90-day framework in my article here:

https://drfitznutrition.com/blogs/nerve-health-nutrition/how-long-nerve-supplements-take-to-work

If you have ever tried a nerve supplement, how long did you give it before deciding whether it was helping?

08/18/2026

If you have neuropathy, I would not look at A1C alone.

That is the main message in this video.

A newer study suggests neuropathic pain may be associated with a broader metabolic burden, not just glucose alone. In other words, factors like triglycerides, HDL, blood pressure, and excess body weight may matter too.

That does not prove these factors caused the pain, and it does not mean every case of neuropathy is metabolic.

But it does support a very important idea: if you have burning feet, tingling, numbness, or nerve pain, your metabolic health may deserve a much closer look than A1C by itself.

If you want help getting started, I have two resources for you:

Free Nerve Health Guide:
https://drfitznutrition.com/pages/free-nerve-health-guide

Free 10-Minute Nerve Health Discovery Call:
https://drfitznutrition.com/pages/free-nerve-health-discovery-call

If this was helpful, comment and let me know which topic you want me to cover next.

Your A1C Isn’t the Whole StoryA1C gets most of the attention when people think about blood sugar and nerve health.But ne...
08/17/2026

Your A1C Isn’t the Whole Story

A1C gets most of the attention when people think about blood sugar and nerve health.

But neuropathy may reflect a much broader metabolic picture.

Researchers are increasingly looking at what happens when several metabolic abnormalities occur together, including:

• Elevated glucose
• Increased waist circumference
• High triglycerides
• Low HDL
• Elevated blood pressure

The important question may not simply be, “Is my A1C normal?”

It may be: How much total metabolic burden is affecting the environment around the nerve?

In my consultations, I saw many patients whose nerve symptoms could not be explained by a single laboratory value alone.

I reviewed the research behind metabolic syndrome, cumulative metabolic burden, and neuropathy in my newest article.

Read the full article here:
https://drfitznutrition.com/blogs/nerve-health-nutrition/metabolic-syndrome-neuropathy

If you have neuropathy, which of these five metabolic factors have you actually had checked?

08/17/2026

If your foot burns, one of the first things I want to know is whether it is one foot or both.

That pattern can point you in very different directions.

Burning that starts in the toes of both feet and gradually moves upward is more consistent with a generalized process like peripheral neuropathy or small fiber neuropathy.

But if the burning is mainly in one foot, especially in a specific area, I start thinking more about localization issues. Could there be a compressed nerve around the ankle or foot? Could the symptoms be coming from a nerve root in the lower back?

The location does not make the diagnosis by itself, but it can help tell you where to start looking.

If you have burning feet, do not just describe how bad it feels. Pay attention to whether it is one foot, both feet, and exactly where the burning occurs.

If you want a broader nerve-health framework, you can start with my free Nerve Health Blueprint here:
https://drfitznutrition.com/pages/nerve-health-blueprint

08/16/2026

Your nerves do not live in isolation.

They live inside your metabolic environment.

That is the part most people miss when they start dealing with tingling, burning, numbness, or nerve discomfort.

The first question usually becomes: “What supplement should I take?”

But your nerves are affected by more than one vitamin or one bottle.

Inflammation matters.
Blood sugar matters.
Insulin sensitivity matters.
Nutrition matters.
Movement and circulation matter.
Targeted supplementation can matter too.

But if the foundation is not being built, you are still guessing.

That is why I created the Free Nerve Health Blueprint. It walks through the 5-step framework I think people should understand before they keep buying random nerve supplements.

Download the Free Nerve Health Blueprint here:
https://drfitznutrition.com/pages/nerve-health-blueprint

Nerve Damage Before Diabetes?Burning, tingling, or numbness in the feet does not always wait for a diabetes diagnosis.On...
08/16/2026

Nerve Damage Before Diabetes?

Burning, tingling, or numbness in the feet does not always wait for a diabetes diagnosis.

One of the biggest misconceptions in medicine is that nerve damage suddenly starts once someone crosses a specific A1C line.

It does not work that way.

Risk appears to rise earlier, and in some people nerve dysfunction may already be developing in the prediabetes range.

That is one reason a person can be told they are “not diabetic” and still be dealing with symptoms that deserve a closer look.

In this video, I break down the question:
At what A1C does nerve damage actually start?

I also explain why the answer is more complicated than most people realize, and why focusing only on a diabetes cutoff can miss what is happening biologically.

Watch the full video here:
https://drfitznutrition.com/pages/videos-a1c-nerve-damage-start

Michael Fitzmaurice, M.D.
Peripheral Nerve Surgeon

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1646 Constable Street
Prescott, AZ
86301

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