Dr. Fitz - Nerve Health

Dr. Fitz - Nerve Health Nerve pain or neuropathy?

Get answers from a peripheral nerve surgeon with 3,000+ procedures performed.

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✓ NeuroAxis® nerve supplement
✓ Free 104-page Nerve Health Guide

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09/03/2026

Foot symptoms that appear during walking can have very different causes.
One useful detail is what happens after you stop. Do the symptoms improve while you stand still, or do they remain? Were they already present before the walk? Do they become worse at night?
These patterns can provide clues about whether reduced blood flow or a peripheral nerve problem deserves closer evaluation. They cannot establish a diagnosis, and persistent or worsening symptoms should be evaluated by a qualified clinician.
In my consultations, walking distance and symptom timing often helped reveal which system needed attention.
Take my free 5-minute Nerve Health Risk Assessment:
https://drfitznutrition.com/pages/nerve-health-risk-assessment-free-5-minute-quiz

If you've been told your bloodwork is normal but your feet still tingle, screenshot this one.Four questions. Each opens ...
09/03/2026

If you've been told your bloodwork is normal but your feet still tingle, screenshot this one.

Four questions. Each opens a door a standard panel leaves closed.

1. "Can we do a two-hour oral glucose tolerance test, not just fasting glucose and A1c?"
The single most useful one. It catches the after-meal problem the fasting tests don't.

2. "What are my fasting insulin and my triglycerides?"
Both speak to insulin resistance and nerve risk. Neither is always on a standard panel.

3. "Could my symptoms be small-fiber, and would that need different testing to detect?"
Standard nerve conduction studies can read normal in early small-fiber problems.

4. "I'm on metformin — could that be lowering my B12?"
A common, fixable contributor that's easy to overlook.

You don't need to argue with anyone. You just need to ask better questions than "is everything normal."

I spent my surgical career operating on peripheral nerves. These are the four I'd want you walking in with.

Full 14-page guide, free 👇 first comment.

Which of these four has your doctor already run? Just drop the number below.

09/03/2026

Your feet feel freezing, but someone else touches them and says they’re warm. What might that difference mean?

Feeling cold is a sensation reported by your nervous system. Being cold refers to the actual temperature of your skin.

If your feet feel cold to you but normal to someone else, altered sensory signaling may be one possibility. If the skin itself feels unusually cool, blood flow may deserve consideration.

This touch check cannot diagnose neuropathy or poor circulation. It can give you a more precise observation to discuss with your healthcare professional—especially if you also have burning, tingling, numbness, color changes, wounds, or worsening symptoms.

Read my complete guide to neuropathy versus poor circulation:

https://drfitznutrition.com/blogs/nerve-health-nutrition/neuropathy-vs-poor-circulation

Take the free five-minute Nerve Health Risk Assessment:

https://drfitznutrition.com/pages/nerve-health-risk-assessment-free-5-minute-quiz

Most nerve supplements sell you a bottle and leave you to figure out the rest.But nerve health is not only about taking ...
09/02/2026

Most nerve supplements sell you a bottle and leave you to figure out the rest.

But nerve health is not only about taking a supplement.

Your nerves are influenced by nutrition, glucose stability, metabolic health, cellular energy, oxidative stress, movement, sleep, and the surrounding tissue environment.

That is why NeuroAxis was built differently.

NeuroAxis includes 12 fully disclosed ingredients in one structured nerve-support formula — but every order also includes my 104-page NeuroAxis Protocol.

The formula supports multiple areas of nerve health.

The protocol gives you the bigger framework behind the strategy.

Because a supplement without a plan is just another bottle on the counter.

If you are comparing nerve supplements, do not just compare the bottle.

Compare the full system.

Review NeuroAxis and the included 104-page protocol here:

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

09/02/2026

If neuropathy keeps you awake, the hours before bed may deserve more attention.

In this video, I explain three practical nighttime strategies involving temperature, a consistent wake-up time, and supported leg elevation.

These techniques are designed to help you create a more comfortable nighttime environment when nerve symptoms interfere with sleep.

Save this video for tonight, or share it with someone who struggles with nighttime nerve pain.

What has helped you sleep when your neuropathy symptoms flare? I’d like to hear what has—or has not—worked for you.

Find more nerve-health education at https://DrFitzNutrition.com

Safety note: People with reduced sensation, poor circulation, open wounds, or diabetes-related foot complications should speak with a clinician before applying heat or cold to their feet.

Do this tonight: ask someone to touch your feet. If they feel like ice to you but normal to them, that mismatch is a rea...
09/02/2026

Do this tonight: ask someone to touch your feet.

If they feel like ice to you but normal to them, that mismatch is a real finding — and it points toward the nerve, not the artery.

Two completely different diseases produce the same complaint. Burning. Numbness. Cold feet. What separates them is almost never the sensation itself. It's the pattern around it.

Four questions, all in the slides:

Burns at night, lying still? → nerve
Feels cold but measures warm to someone else? → nerve
Starts at a set walking distance? → artery
Clears in about 10 minutes of standing still? → artery

And the one that matters most: having one does not protect you from the other. Neuropathy blunts protective pain, which means it can mask arterial disease completely.

I spent years operating on peripheral nerves, and the pattern above is what I'd want every person with burning feet to know.

Save this. Then try the foot test and tell me below — did they say warm, or cold?

Educational purposes only. Not intended to diagnose, treat, cure, or prevent any disease.

09/01/2026

A man once told me his feet burned so badly at night he slept with them outside the covers in February.

He'd been treated for circulation problems for over a year.

Nobody had asked him one question: does it happen when you walk?

No. It happened lying still.

That single answer reorganized everything — because the two systems that produce "my feet hurt" behave in completely opposite ways.

Arterial disease is supply and demand. Walk, and the muscle asks for more blood than a narrowed artery can deliver. Stop, and it clears — usually within about ten minutes, at a distance you can predict.

Nerve pain doesn't follow demand. It's there at rest. It's often worse at 2 a.m. It doesn't care how far you walked.

The sensation is not the diagnostic. The pattern around the sensation is.

Three things worth knowing:

1. The screening exam is weaker than its reputation. Pooled data puts monofilament sensitivity around 53% — closer to a coin flip than a rule-out.

2. The textbook picture is the minority. In 549 patients with diabetes, about 70% had sensory loss, but only about 16% had the classic symmetric "stocking" pattern.

3. Having one does not protect you from the other. Despite sharing nearly every risk factor, these two overlapped only about a third of the time — and because neuropathy blunts protective pain, it can hide arterial disease entirely.

I spent years operating on peripheral nerves. The cases that stayed with me were rarely the technically hard ones. They were the people who spent a year on the wrong system.

If your feet burn at night, answer me one question in the comments: does walking make it better, worse, or make no difference?

That answer tells you more than most exams do.

09/01/2026

Have you noticed that your neuropathy becomes more noticeable when you get into bed?

Nighttime nerve pain is not always random. Pain perception and sleep are closely connected, and disrupted sleep may lower the body’s pain threshold.

This can create a two-way cycle: nerve pain fragments your sleep, and fragmented sleep can make nerve symptoms feel more intense the following day.

Sleep consistency may matter as much as total sleep time. A chaotic schedule can interfere with the body’s normal sleep-wake rhythm and make an already difficult pattern harder to manage.

Does your nerve pain get worse at night? Share what you experience in the comments. Follow the page so you don’t miss my next video, where I’ll discuss practical techniques for improving sleep when nerve symptoms keep you awake.

"Your bloodwork came back normal."And your feet are still tingling at night.Both of those things can be true at the same...
08/31/2026

"Your bloodwork came back normal."

And your feet are still tingling at night.

Both of those things can be true at the same time. Here's the part nobody explains.

Fasting glucose is a snapshot — taken after 8 to 12 hours without food, which is exactly when your numbers look their best.

A1c is an average. And averages have a way of hiding spikes.

But it's the after-meal spikes, coming and going several times a day, that reach the smallest nerve fibers in your feet first. A panel built around fasting numbers can miss them entirely.

That isn't your doctor running the wrong test. It's the standard test being built to answer a different question than the one your symptoms are asking.

I spent my surgical career operating on peripheral nerves. I heard this exact story more times than I can count — almost always from someone who'd already been told everything was fine.

So I wrote it down. 14 pages, free, nothing to buy inside it.

Free guide 👇 first comment.

And I want to hear from you: when you brought your symptoms up, what were you actually told? Put it below — I read every one.

Educational only, not medical advice. Nerve symptoms have many causes — talk with a qualified clinician about your situation.

08/31/2026

Benfotiamine is commonly used for nerve support because it can substantially increase vitamin B1 availability.

So you might expect higher B1 levels to translate into better nerve function.

But a recent study found something more complicated.

People with diabetic neuropathy took 600 mg of benfotiamine per day for one year. Their thiamine levels increased substantially, yet compared with placebo, researchers did not find significant improvement across the major nerve outcomes they measured.

Importantly, the researchers looked beyond whether people simply reported that their feet felt better. They also evaluated objective measures of nerve structure and function.

That does not mean benfotiamine has no value.

It highlights a broader point:

Better absorption does not automatically mean better nerves.

Peripheral neuropathy can involve multiple biological pathways, which is one reason I do not think nerve support should be viewed as a one-ingredient problem.

If you want to review the complete multi-pathway NeuroAxis nerve-support formula I developed, you can see the ingredients and approach here:

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

If you take benfotiamine, are you using it by itself or as part of a broader formula?

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