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Head-to-head evidence comparison — which supplement is right for you?
Milk Thistle 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
Probably helps
9 of 13 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Alpha Lipoic Acid and Milk Thistle 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
200-400mg silymarin (standardized extract)
With meals, Split into 2-3 doses
Standardized extract (70-80% silymarin)
4-12 weeks
4-8 weeks
2-4 weeks
4-8 weeks
8-12 weeks
4 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.
Clinical Efficacy of Curcumin, Resveratrol, Silymarin, and Berberine on Cardio-Metabolic Risk Factors Among Patients With Type 2 Diabetes Mellitus: A Systemic Review and Bayesian Network Meta-Analysis
Phytotherapy research : PTR (2025) · Meta analysis · n=1337
For HbA1c, silymarin was more effective than resveratrol (MD -2.08, 95%Cl -3.50 to -0.72) (P < 0.05).
Effects of different natural products in patients with non-alcoholic fatty liver disease-A network meta-analysis of randomized controlled trials
Phytotherapy research : PTR (2024) · Meta analysis · n=2509
The results of the network meta-analysis showed that artichoke leaf extract confers a relative advantage in reducing the aspartate aminotransferase (AST) levels (SUCRA: 99.1%), alanine aminotransferase (ALT) levels (SUCRA: 88.2%) and low-density lipoprotein cholesterol (LDL-C) levels (SUCRA: 88.9%).
Are alterations needed in Silybum marianum (Silymarin) administration practices? A novel outlook and meta-analysis on randomized trials targeting liver injury
BMC complementary medicine and therapies (2025) · Meta analysis · n=3545
According to the findings of this meta-analysis silymarin administration showed a significant reduction in AST (SMD [95% CI]: - 0.670 [- 0.931, - 0.408], p-value = 0.000), and ALT (SMD [95% CI]: - 0.912 [- 1.177, - 0.646], p-value = 0.000) levels.
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 multiple meta-analyses showing significant ALT/AST reduction. Effect size modest (SMD -0.67 to -0.9). Effectiveness assumes standardized 80% silymarin extract. Lower bioavailability forms may require higher doses.
AI-estimated from published studies. Interpret as directional guidance.
Milk Thistle has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
For reduce inflammation, Milk Thistle has a higher relevance score (95 vs 80).
No known interactions between Alpha Lipoic Acid and Milk Thistle have been documented in our database. However, always consult a healthcare provider before combining supplements.