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Neuropathy Supplement Acid: What Alpha-Lipoic Acid Studies Show
A neuropathy supplement acid is most often alpha-lipoic acid, an antioxidant sold for nerve comfort. Studies used 300 to 600 mg a day, and results were stronger by vein than by mouth. Nervecept contains no alpha-lipoic acid, and its only acid is the amino acid methionine at 8 mg.
Written by the Nervecept label deskUpdated · 4 min read
What is a neuropathy supplement acid?
A neuropathy supplement acid is a capsule ingredient with "acid" in its name that is sold for nerve symptoms. The best known is alpha-lipoic acid, also called lipoic acid.
Diabetes is the leading cause of peripheral neuropathy, and there are more than 100 types in all (NINDS, Peripheral Neuropathy). Alpha-lipoic acid has been studied in diabetic neuropathy more than most supplements.
What doses of alpha-lipoic acid have been studied?
Researchers gave 300 to 600 mg a day by vein for 2 to 4 weeks, and 600 mg a day by mouth. A 5-week oral trial found 600 mg as effective as higher doses (Linus Pauling Institute, Lipoic Acid).
| Route | Daily amount | What was reported |
|---|---|---|
| By vein | 300-600 mg, 2-4 weeks | Meaningful drop in diabetic neuropathy symptoms |
| By mouth, short | 600 mg, 5 weeks | As effective as higher oral doses |
| By mouth, long | 600 mg, 4 years | Missed its main goal |
A vein drip is a medical treatment. Capsules are oral, so the oral rows matter most to a shopper.
Does alpha-lipoic acid help neuropathy?
It may ease symptoms in diabetic neuropathy, mostly when given by vein. Oral evidence is weaker, and no guideline in our sources tells people to take it.
A single German group, funded by a manufacturer, ran many of those studies (Linus Pauling Institute, Lipoic Acid). Other teams should repeat them.
The 2022 American Academy of Neurology guideline for painful diabetic neuropathy lists four drug classes and suggests exercise, CBT, tai chi or mindfulness. It does not recommend alpha-lipoic acid (AAN, Painful Diabetic Neuropathy 2022).
Alpha-lipoic acid may lower blood sugar in people on diabetes drugs (Linus Pauling Institute, Lipoic Acid). Ask your pharmacist before adding it. Keep taking prescribed medicine as directed.
Is there alpha-lipoic acid in Nervecept?
No. The Nervecept label lists eight ingredients, and alpha-lipoic acid is not one of them. There is no folic acid or other B vitamin either.
The only acid on the label is methionine, an essential amino acid from protein foods (MedlinePlus, Amino acids). One capsule holds 8 mg. The full capsule by weight:
- 1Glucosamine Sulfate500 mg · 71.5% of the actives · Joint compounds
- 2Indian Frankincense (Boswellia serrata)(herb)67 mg · 9.6% of the actives · Plant extracts
- 3Chondroitin Sulfate50 mg · 7.2% of the actives · Joint compounds
- 4Turmeric (Curcuma longa)(root)50 mg · 7.2% of the actives · Plant extracts
- 5Quercetin (Sophora japonica)(bud)8 mg · 1.1% of the actives · Plant extracts
- 6Methionine8 mg · 1.1% of the actives · Amino acid
- 7Methylsulfonylmethane (MSM)8 mg · 1.1% of the actives · Sulfur compound
- 8Bromelain (Ananas comosus)(stem)8 mg · 1.1% of the actives · Plant extracts
From the Supplement Facts panel on the label: every line has an exact amount, and no line has a Daily Value. The capsule shell (hypromellose) and rice flour are not counted. The glucosamine is made from shellfish (crayfish).
Glucosamine is made from crayfish shells, so Nervecept contains shellfish. No trial has tested the capsule itself.
How should you weigh an acid supplement for neuropathy?
Ask what the cause of your symptoms is first, then compare the dose on the bottle with the dose in the study. Treatment for neuropathy targets its cause (NINDS, Peripheral Neuropathy).
- Ask your clinician to check B12 and blood sugar.
- Find the printed mg, not just the name.
- Compare it with 600 mg, the oral amount studied.
Nervecept answers a different question. It is a joint-style formula with nerve wording on the front. See its ingredient doses and prices before you decide. The sales page offers a 60-day money-back guarantee.
FAQ01
Nervecept questions people ask
Is alpha-lipoic acid the same as folic acid?
No. Alpha-lipoic acid is an antioxidant compound, and folic acid is a B vitamin. They are different substances with different studies. Nervecept contains neither one.
How much alpha-lipoic acid has been used by mouth?
A 5-week trial found 600 mg a day as effective as higher oral doses, and a 4-year trial also used 600 mg a day (Linus Pauling Institute, Lipoic Acid). Ask a clinician before using any amount.
Can alpha-lipoic acid change blood sugar?
Yes, it may lower blood sugar in people taking diabetes medicines (Linus Pauling Institute, Lipoic Acid). Tell your doctor or pharmacist before you start, and keep checking your glucose as directed.
Who wrote this02
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Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by a Nervecept licensed U.S. outlet, not by the manufacturer or the distributor. We earn money when you buy through our order links.
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