Loading…
We use essential cookies (authentication, your saved goals/stack) by default. With your permission we'll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more
Head-to-head evidence comparison — which supplement is right for you?
Alpha Lipoic Acid wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
13 of 14 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
4 of 4 studies with measurable effects showed benefit.
Top outcomes
300-600mg
On empty stomach for best absorption, 30-60 minutes before meals
R-Alpha Lipoic Acid (R-ALA) — the natural form
500-2000mg dried berry or 200-500mg extract
Morning and/or early afternoon
Standardized extract (>2% schisandrins)
4-12 weeks
4-8 weeks
2-4 weeks
2-4 weeks
1-2 weeks
4-8 weeks
Effects of Oral Alpha-Lipoic Acid Treatment on Diabetic Polyneuropathy: A Meta-Analysis and Systematic Review
Nutrients (2023) · Meta analysis · n=1242
ALA treatment produced favorable results for TSS (a dose-related trend was observed), NDS, and the global satisfaction score.
Effects of selected dietary supplements on migraine prophylaxis: A systematic review and dose-response meta-analysis of randomized controlled trials
Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology (2025) · Meta analysis
In adults, compared with placebo, these supplements did not significantly affect other outcomes, and omega-3 supplementation did not yield a statistically significant reduction in any of these outcomes.
The Effect of Dietary Supplements on Male Infertility in Terms of Pregnancy, Live Birth, and Sperm Parameters: A Systematic Review and Meta-Analysis
Nutrients (2025) · Meta analysis · n=50
This study found no convincing evidence of an effect of any dietary supplements on male infertility.
Treatment of chronic urticaria with traditional Chinese medicine: A systematic review, meta-analysis, and medication regularity
Medicine (2025) · Meta analysis · n=1192
TCM has great advantages in the treatment of CU, can effectively improve the symptoms, the curative effect is stable and safe, but there are still some deficiencies in the standardization of curative effect evaluation.
Changes in the Gut Microbiota after the Use of Herbal Medicines in Overweight and Obese Individuals: A Systematic Review
Nutrients (2023) · Systematic review
Herbal medicine modulates GM and is associated with increased genera in obese individuals.
Medicinal Plants and Their Impact on the Gut Microbiome in Mental Health: A Systematic Review
Nutrients (2022) · Systematic review
Only a few studies have been specifically designed to assess how herbal preparations affect MGBA-related targets or pathways.
Based on multiple meta-analyses showing dose-related trends for TSS improvement. 600mg/day most studied dose with significant benefit vs placebo in 73% of studies. Limited data on doses above 600mg.
Based on single RCT (n=80) showing reductions in fasting glucose, postprandial glucose, and insulin AUC. Effect limited to hyperglycemic individuals. Extract form and dosing schedule not fully specified.
AI-estimated from published studies. Interpret as directional guidance.
Alpha Lipoic Acid has a higher evidence score (9/10 vs 8.5/10) and wins in 2 of 3 categories.
For reduce inflammation, Alpha Lipoic Acid has a higher relevance score (80 vs 75).
No known interactions between Alpha Lipoic Acid and Schisandra have been documented in our database. However, always consult a healthcare provider before combining supplements.