56
SCORE
R-Alpha lipoic acid
Neuropathy · Blood sugar · Antioxidant
Tier 3 — Trending
What it is
The natural R-form of alpha lipoic acid, which is more bioavailable than the synthetic racemic mix commonly sold. Multiple trials show it reduces diabetic neuropathy symptoms like numbness, tingling, and burning pain. Also supports healthy blood sugar levels. Take on an empty stomach for better absorption. May lower thyroid hormone at very high doses.
Efficacy
3/5
Safety
3/5
Research
3/5
Onset
2/5
Cost
2/5
Drug-int.
3/5
Dose
300–600 mg/day R-ALA; take on an empty stomach for better absorption
Time of day & tips
Take on an empty stomach 30 min before meals for best absorption. Avoid high-carbohydrate meals right before or after — may cause blood sugar to drop too low in diabetics.
Compare or learn more
Compare with another supplement →
Browse by symptom →
Open the full interactive view →