Longevindex
NOW Foods Alpha Lipoic Acid 600 mg

Equipment Reference

NOW Foods

NOW Foods Alpha Lipoic Acid 600 mg

Extra-strength ALA — glucose and antioxidant adjunct, not a longevity miracle

4.6
(5,900 community reviews)

NOW’s 600 mg ALA capsule with grape seed and Bioperine is the common extra-strength Amazon bottle. ALA is a cofactor that can recycle C and E and shows up in glucose and neuropathy conversations. Evidence for healthy people chasing lifespan is thin. Pair with the glutathione and glucose guides — NAC is still the cheaper glutathione precursor.

Health Disclaimer

This content is for general informational and educational purposes only. It is not medical advice, diagnosis, or treatment. Consult a qualified healthcare provider before starting any supplement, peptide, or health protocol. Read our full health disclaimer.

Used by
Glucose-protocol readersPeople stacking antioxidantsFunctional-medicine lists

Typical price: $18 – $32 USD / 120 veg capsules

How It Works

Lipoic acid is a mitochondrial cofactor and redox player. Diabetic neuropathy trials are the most-cited clinical use, often at 600 mg. Longevity claims are extrapolation. Can lower glucose — that matters if you are on insulin or sulfonylureas.

1

600 mg Extra Strength

Higher than the 100 mg ‘regular’ NOW. Take with food. 600 mg is a convenient cap, not a better outcome than a prescribed diabetes plan.

2

Water and Fat

ALA works in both compartments — the usual brochure line. That does not make it a master antioxidant you feel on day two.

3

Not First-Line

Walk, protein, and labs beat another antioxidant bottle. See Bikman and Means before you stack ALA on berberine.

What You'll Experience

If Neuropathy

Weeks to months

That is a clinician protocol. Do not self-treat numbness with Amazon.

If Healthy

Ongoing

You may feel nothing. That is the usual honest result.

Benefits

Known Dose

Moderate Evidence

600 mg is the number in many papers — not a 25 mg pixie dust blend.

Cheap Trial

Moderate Evidence

NOW price if a clinician already suggested ALA.

Risks & Considerations

Hypoglycemia Risk

high risk

Can add to diabetes drugs. Ask before stacking if you use insulin or secretagogues.

Thiamine

medium risk

High-dose ALA conversations sometimes include B1 status. Alcohol-heavy diets are a clinician topic.

Community Reviews

Synthesized consensus from Reddit, forums, and expert sources.

Amazon verified buyers
Mixed Reviews

Neuropathy reviewers are the most positive. Longevity stackers are quieter. Smart comments mention food and labs first.

  • ·600 mg
  • ·With food
  • ·Not a miracle

Last updated: 2026-09-22 · Informational only. Not medical advice. Health disclaimer.