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Diabetes basics

Diabetes and Nerve Damage Basics: What Happens and Why

Diabetes and nerve damage are closely linked. NIDDK says high blood glucose and high blood fats over time can damage nerves, and NINDS says about two thirds of people with diabetes have some nerve problem. It often starts in the feet. Keeping blood glucose on target is the main defense, and a supplement does not replace it.

Written by the Flow Nerves label deskUpdated · 4 min read

Three Flow Nerves bottles, a computer render supplied by the brand
Brand render of three bottles. Flow Nerves is not a diabetes product.

The basics

How does diabetes damage nerves?

Diabetes can damage nerves because high blood glucose and high blood fats, over time, harm them. NIDDK calls the result diabetic neuropathy (NIDDK, Diabetic neuropathy).

Symptoms depend on the type. They range from pain and numbness in the feet to problems with internal organs such as the heart and bladder (NIDDK, Diabetic neuropathy). NINDS says diabetes is the leading cause of peripheral neuropathy in the U.S. (NINDS, Peripheral neuropathy).

SourceWhat it says
NINDSAbout two thirds of people with diabetes have mild to severe nerve problems (NINDS, Peripheral neuropathy)
American Diabetes AssociationAffects about half of all people with diabetes (ADA, Neuropathy and diabetes)
MedlinePlusOver half of people with diabetes get it (MedlinePlus, Diabetic neuropathy)

The figures differ. None gives a risk for you.

First signs

What are the first signs of diabetic nerve damage?

The first signs are often in the feet: tingling or pins and needles, pain or sensitivity that is worse at night, numbness or weakness. CDC lists these (CDC, Diabetes and nerve damage).

MedlinePlus adds shooting pain and burning, and says a doctor diagnoses it with a physical exam and nerve tests (MedlinePlus, Diabetic neuropathy).

Call 911 right away

Chest pain, trouble breathing, or sudden weakness or numbness on one side of the body.

What helps

Can you slow nerve damage from diabetes?

The sources say blood sugar control is the main defense. The American Diabetes Association says keeping blood glucose on target is your best line of defense (ADA, Neuropathy and diabetes).

MedlinePlus says controlling blood sugar can help prevent nerve problems or keep them from getting worse (MedlinePlus, Diabetic neuropathy).

Supplements are a separate question. NCCIH says most have no evidence of benefit on diabetes or its complications (NCCIH, Diabetes and supplements). Alpha lipoic acid was studied at 600 mg a day, mostly by vein (Mijnhout 2012, ALA meta-analysis). The label prints no amount, so its bar is dashed.

  • Magnesium (supplement upper limit)

    Label amount: not printed
    Printed on the Flow Nerves labelnone
    350 mg a day: the Tolerable Upper Intake Level for magnesium from supplements350 mg

    A reference amount says what was tested or advised, not what works for you. No study tested Flow Nerves. (NIH ODS, Magnesium)

  • Alpha lipoic acid (trial dose)

    Label amount: not printed
    Printed on the Flow Nerves labelnone
    600 mg a day: the amount the diabetic neuropathy trials used, mostly by vein for 3 weeks600 mg

    A reference amount says what was tested or advised, not what works for you. No study tested Flow Nerves. (Mijnhout 2012, ALA meta-analysis)

  • L-carnitine (stomach effects)

    Label amount: not printed
    Printed on the Flow Nerves labelnone
    3,000 mg a day: where nausea, vomiting, cramps and diarrhea are reported3,000 mg

    A reference amount says what was tested or advised, not what works for you. No study tested Flow Nerves. (NIH ODS, Carnitine)

  • L-carnitine (thyroid trial)

    Label amount: not printed
    Printed on the Flow Nerves labelnone
    2,000 to 4,000 mg a day: the amounts in a 2001 thyroid trial4,000 mg

    A reference amount says what was tested or advised, not what works for you. No study tested Flow Nerves. (Benvenga 2001, Carnitine and thyroid hormone)

Dashed bars: what the label prints, which is nothing in the material we have. Solid bars: the reference amount from a study or authority. Each pair is drawn to its own scale, so compare the pair, not one pair with another.

Flow Nerves: 2, 3 or 6 bottles30 capsules a bottle · 1 capsule a day · 60-day guarantee

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Supplements

Can you take Flow Nerves with diabetes medicine?

Ask your doctor or pharmacist first. Alpha lipoic acid can lower blood sugar and may add to diabetes medicine (MSK, Alpha-lipoic acid), and NCI says coenzyme Q10 may change how the body uses insulin (NCI, Coenzyme Q10).

Know the signs of low blood sugar: shaky, sweaty, dizzy, confused (NIDDK, Low blood glucose). Keep taking prescribed medicine. Flow Nerves has six names and no printed milligrams, and no source shows it helps diabetes.

Flow Nerves: 2, 3 or 6 bottles30 capsules a bottle · 1 capsule a day · 60-day guarantee

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FAQ

Flow Nerves questions people ask

Does diabetes always cause nerve damage?

No. NINDS says about two thirds of people with diabetes have mild to severe nerve problems, so many do not (NINDS, Peripheral neuropathy). Regular exams help find changes early.

Which nerves does diabetes affect first?

CDC says peripheral nerve damage usually starts in the feet (CDC, Diabetes and nerve damage). Other types reach internal organs such as the heart and bladder, NIDDK says (NIDDK, Diabetic neuropathy).

How is diabetic neuropathy diagnosed?

MedlinePlus says a doctor diagnoses it with a physical exam and nerve tests (MedlinePlus, Diabetic neuropathy). A website or supplement label cannot diagnose it.

Can good blood sugar control protect nerves?

MedlinePlus says controlling blood sugar can help prevent nerve problems or keep them from getting worse (MedlinePlus, Diabetic neuropathy). Ask your care team about your own target.

Does Flow Nerves help diabetic nerve damage?

No source says so. The label says only NERVE SUPPORT*, and no study of Flow Nerves exists in our sources. NCCIH says most supplements lack evidence of benefit on diabetes complications (NCCIH, Diabetes and supplements).

Who wrote this

Written and reviewed by

Written byThe Flow Nerves label deskIflownerves, U.S. Stocking Partner for Flow Nerves

Pages built from the label, the brand panels and linked NIH, FDA, CDC, FTC and peer-reviewed sources.

Medically reviewed byDr. Eric Roberts, DPM, PodiatristRole: Medical reviewerReview date: November 3, 2026

Last updated . Read our editorial standards and how we check reviews. This website is the information site for a U.S. stocking partner for Flow Nerves. It is not the manufacturer or a distributor named on the label. We earn money when you buy through our order links.

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Check your medicines first with the Switchboard, especially diabetes medicine, blood thinners and blood pressure medicine, and see a doctor about new numbness or tingling, then pick a pack. On the seller's count one bottle is 30 days; 3 bottles cover 90 days and 6 cover 180.

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Flow Nerves capsules2, 3 or 6 bottles · 30 capsules a bottle · 60-day guarantee

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