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
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Alpha Lipoic Acid and Cramp Bark have evidence — compare verdict strength side-by-side.
300-600mg
On empty stomach for best absorption, 30-60 minutes before meals
R-Alpha Lipoic Acid (R-ALA) — the natural form
500-1000mg extract or 2-4g dried bark
At onset of cramps, Can repeat every 4-6 hours
Tincture or capsules
4-12 weeks
4-8 weeks
2-4 weeks
30-60 minutes
30-60 minutes
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.
Fruits of Wild-Grown Shrubs for Health Nutrition
Plant foods for human nutrition (Dordrecht, Netherlands) (2024) · Systematic review
These fruits have a great potential to be used in functional food making.
Cost-effective isolation of Viburnum opulus-derived nanovesicles and evaluation of their cytotoxic, anticancer, and antioxidant properties on human glioblastoma cell line U87MG
Medical oncology (Northwood, London, England) (2025) · In vitro
Glioblastoma is the most common and highly invasive glial tumor, significantly reducing patient survival.
Gilaburu extract (Viburnum opulus Linnaeus) is as effective as Tamsulosin in medical expulsive therapy of distal ureteral calculi
International journal of clinical practice (2021) · Rct · n=86
Additional analgesic requirement and need for emergency admission were found to be lower in the Viburnum opulus group (37.2% vs 65.1%, P = .017 and 11.6% vs 34.8%, P = .02, respectively).
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=86) showing reduced analgesic requirement vs tamsulosin for ureteral stones. Limited to short-term use data. No menstrual cramp studies despite claims.
AI-estimated from published studies. Interpret as directional guidance.
Alpha Lipoic Acid has a higher evidence score (9/10 vs 6/10) and wins in 2 of 3 categories.
No known interactions between Alpha Lipoic Acid and Cramp Bark have been documented in our database. However, always consult a healthcare provider before combining supplements.