Ingredient
Alpha Lipoic Acid in Flow Nerves: Research, Blood Sugar Caution and Doses
Alpha lipoic acid is an antioxidant the body makes in small amounts. A 2024 Cochrane review found it probably has little or no effect on symptoms in diabetic neuropathy at six months, and it can lower blood sugar.
Written by the Flow Nerves label deskUpdated
The ingredient01
What is alpha lipoic acid?
Alpha lipoic acid, often shortened to ALA or lipoic acid, is an antioxidant that the body makes in small amounts and that cells use in energy steps.
It is sold as a supplement, and it is the best-known of the six names in nerve conversations. That fame comes mostly from diabetes research, which makes it the name that most needs context. Do not confuse it with alpha-linolenic acid, an omega-3 fat that shares the letters ALA.
Dose02
How much alpha lipoic acid is in one Flow Nerves capsule?
No amount is printed for Flow Nerves, so the studied doses are the only numbers we have.
Short trials gave 300 to 600 mg a day by vein, for two to four weeks 1. Those are intravenous doses in a clinic. A swallowed capsule inside a blend of six cannot be assumed to give the same exposure.
| Name on the label | Alpha Lipoic Acid |
|---|---|
| What it is | An antioxidant the body makes in small amounts |
| Amount per capsule | Named in the brief; milligrams not printed |
| Amount used in research | Short vein trials used 300 to 600 mg a day; the Cochrane review covers oral and other trials of at least six months |
| Strength of evidence | Cochrane 2024: probably little or no effect on symptoms at six months in diabetic neuropathy |
| Marketed or traditional use | Sold for nerve comfort and as an antioxidant |
| Main caution | Can lower blood sugar; ask first if you take diabetes medicine (MSK). |
Evidence03
Does alpha lipoic acid help nerves? What does the research show?
The best summary says probably little or no effect on symptoms at six months in diabetic neuropathy.
The 2024 Cochrane review pooled three trials with 816 people who had type 1 or type 2 diabetes and were followed for at least six months. ALA probably has little or no effect on neuropathy symptoms (a Total Symptom Score difference of -0.16, with a wide range from -0.83 to 0.51) and probably no difference in adverse events at six months 3. It is about diabetic neuropathy only.
A meta-analysis of 15 short trials gave 300 to 600 mg by vein for 2 to 4 weeks and saw better nerve conduction velocities with no serious adverse events 1. That is a measure of nerve signal speed, not of how a person feels, and it is a short course by vein.
| Source | Route and length | Outcome |
|---|---|---|
| Cochrane 2024 | Trials of at least 6 months | Probably little or no effect on symptoms |
| IV meta-analysis | 300 to 600 mg by vein, 2 to 4 weeks | Nerve conduction improved |
MSK also describes use as add-on therapy and says earlier studies on reversing neuropathies gave mixed results 2.
Safety04
Is alpha lipoic acid safe? What should you watch for?
ALA can lower blood sugar, so ask first if you take diabetes medicine.
MSK lists nausea, vomiting and low blood sugar among the side effects and says to talk with your provider if you take drugs that lower blood sugar, because alpha-lipoic acid also lowers blood sugar 2. If you take insulin or a sulfonylurea, a clinician may want to check your sugar more closely. Shakiness, sweating, confusion or faintness can mean low blood sugar and can be an emergency. Keep taking your prescribed diabetes medicine exactly as directed.
- Sudden weakness, a drooping face or trouble speakingCall 911. These are stroke signs, and every minute counts. Do not drive yourself. 4
- Weakness that spreads over hours or daysGet urgent care. Fast-spreading weakness can be Guillain-Barre syndrome, which is treated in hospital. 5
- A numb foot with a sore that will not healSee a clinician promptly, especially with diabetes. Feet that cannot feel can hide cuts that get infected. 6
- Shaky, sweaty, confused or faintPossible low blood sugar, which alpha lipoic acid can add to when you take diabetes medicine. Treat it as an emergency if severe. 2
- Yellow skin or eyes, dark urine, belly painPossible liver trouble. Liver injury has been reported with high-absorption turmeric products. Stop and call a clinician. 7
- Unusual bruising or bleedingTurmeric, CoQ10 and L-carnitine can matter with blood thinners. Call your prescriber. 8
- Chest pain, trouble breathing, swelling of lips or faceCall 911. Possible heart problem or allergic reaction. 9
This list is not complete, and a supplement is never a reason to wait.
Marketing05
Why is alpha lipoic acid sold in nerve and wellness products?
ALA is sold as an antioxidant that supports nerves, and it appears in many nerve and blood-sugar products.
The idea is that nerves are sensitive to oxidative stress, and an antioxidant might protect them. That is a reasonable idea, and the research summarized above is what tests it. The marketing often skips the second step. A product that lists ALA is not a trial of ALA, and a blend that hides the amount cannot tell you what you are getting.
Flow Nerves: 30 capsules a bottle1 capsule a day with a meal · from $49 a bottle · 60-day guarantee (confirm)
See packsIn the capsule06
What does alpha lipoic acid add to Flow Nerves, and what does it not?
It adds a well-studied compound to the list, in an amount nobody can see.
That is both the interest and the problem. If the amount is small, it is far from the trial doses. If it is large, the blood sugar caution matters more. Either way, it does not turn the capsule into a diabetes treatment, and the bottle does not say it is one.
Compared07
Where does alpha lipoic acid sit among the other five names?
The six names are listed in one proprietary blend, so the order they are printed in is not a measure of how much of each is inside.
Without milligrams, no one can say how alpha lipoic acid compares in weight with the rest. The list below shows the six names in the order the brief gives them, grouped by kind. Read the other ingredient pages for each name, and the ingredients overview for the whole table.
- 1Magnesium GlycinateNamed in the brief; milligrams not printed
- 2Alpha Lipoic AcidNamed in the brief; milligrams not printed
- 3Butcher's Broom root extractNamed in the brief; milligrams not printed
- 4L-CarnitineNamed in the brief; milligrams not printed
- 5Turmeric ExtractNamed in the brief; milligrams not printed; sales page: 95% curcuminoids
- 6Coenzyme Q10 / UbiquinoneNamed in the brief; milligrams not printed
The six names in the order the brief gives them. They sit in one proprietary blend, and no amount is printed in the material we have, so the order is not proof of weight. Capsule shell and any fillers are not listed in the material we have.
Ask first08
What should you ask before taking alpha lipoic acid?
- Do you take insulin, metformin, a sulfonylurea or any drug that lowers blood sugar?
- How often do you check your sugar, and would you notice a drop?
- Have you had low blood sugar episodes before?
- Do you have thyroid disease or liver problems?
- Can the seller say how many milligrams of ALA are in a capsule?
FAQ09
Flow Nerves questions people ask
Does alpha lipoic acid help neuropathy?
A 2024 Cochrane review found probably little or no effect on symptoms at six months in diabetic neuropathy. Short IV courses improved nerve conduction, a different measure.
How much alpha lipoic acid is in Flow Nerves?
The amount is not printed. Studies used 300 to 600 mg a day by vein.
Can alpha lipoic acid lower blood sugar?
Yes. MSK says it lowers blood sugar, so talk to your provider if you take drugs that lower it.
Is alpha lipoic acid safe with metformin?
Ask your pharmacist or doctor. Do not change your metformin without them.
Is alpha lipoic acid the same as alpha-linolenic acid?
No. Alpha-linolenic acid is an omega-3 fat. Alpha lipoic acid is a different compound.
Who wrote this10
Written and reviewed by
Pages built from the brand files and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site for a USA Authorized Flow Nerves Retailer. It is not the manufacturer. We earn money when you buy through our order links.
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