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Head-to-head evidence comparison — which supplement is right for you?
Milk Thistle vs SAMe: Milk Thistle has the stronger overall evidence (6.5 vs 6.5/10); they're alternatives for inflammation-related symptoms — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Milk Thistle wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
6 of 9 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
0 of 1 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Milk Thistle and SAMe have evidence — compare verdict strength side-by-side.
200-400mg silymarin (standardized extract) (a typical label dose, not the dose used in the cited trials, which used 103.2 to 2,100 mg a day)
With meals, Split into 2-3 doses
Standardized extract (70-80% silymarin)
400-1,200 mg for mood, 600-1,200 mg for joints. The cited trials used 1,200 mg for knee osteoarthritis and 200 mg a day with probiotics. Label products for mood go up to 1,600 mg, above the highest dose in the cited trials.
On empty stomach, Morning and/or midday
Enteric-coated tablets (SAMe tosylate or butanedisulfonate)
4-8 weeks
8-12 weeks
4 weeks
2-6 weeks
4-8 weeks
4-8 weeks
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.
S-Adenosylmethionine for osteoarthritis of the knee or hip
The Cochrane database of systematic reviews (2009) · Meta analysis · n=656
Four placebo-controlled trials with 656 patients were included, of poor methodological quality.
Efficacy of Pharmacological Interventions in Milder Depression: A Systematic Review and Meta-Analysis
Neuropsychopharmacology reports (2025) · Meta analysis · n=1049
Eight RCTs comprising 1049 participants met inclusion criteria.
S-Adenosylmethionine (SAMe) for Liver Health: A Systematic Review
Nutrients (2024) · Systematic review
Systematic review of 15 studies of SAMe in liver disease, all rated 4 or 5 out of 5 for quality.
Milk Thistle has a higher evidence score (6.5/10 vs 6.5/10) and wins in 2 of 3 categories.
For inflammation-related symptoms, Milk Thistle has a higher relevance score (60 vs 35).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
Weight loss is the real treatment; vitamin E/omega-3 have some evidence, milk thistle modest, TUDCA thin.
Saffron, EPA omega-3, SAMe have real adjunct evidence — but these aren’t a substitute for care, and some interact dangerously.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.