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Head-to-head evidence comparison — which supplement is right for you?
Psyllium Husk wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
11 of 15 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
15 of 20 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Milk Thistle and Psyllium Husk have evidence — compare verdict strength side-by-side.
200-400mg silymarin (standardized extract)
With meals, Split into 2-3 doses
Standardized extract (70-80% silymarin)
5-10g daily
Before meals, With plenty of water
Whole husk powder
4-8 weeks
8-12 weeks
4 weeks
2-3 days
4-8 weeks
Immediate
First 1-2 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.
Galactomannans are the most effective soluble dietary fibers in type 2 diabetes: a systematic review and network meta-analysis
The American journal of clinical nutrition (2023) · Meta analysis · n=2685
Galactomannans had the highest effect on reducing the levels of HbA1c (SUCRA: 92.33%) and fasting blood glucose (SUCRA: 85.92%).
The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials
The American journal of clinical nutrition (2022) · Meta analysis · n=1251
Overall, 311 of 473 (66%) participants responded to fiber treatment and 134 of 329 (41%) responded to control treatment [RR: 1.48 (95% CI: 1.17, 1.88; P = 0.001); I2 = 57% (P = 0.007)], with psyllium and pectin having significant effects.
The effect of psyllium on fasting blood sugar, HbA1c, HOMA IR, and insulin control: a GRADE-assessed systematic review and meta-analysis
BMC Endocrine Disorders (2024) · Meta analysis · n=962
FBS reduced by 6.89 mg/dL
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.
Based on multiple meta-analyses showing 8.55 mg/dL LDL reduction and 0.278 mmol/L reduction. Effect appears dose-dependent with plateau around 10g. Must take with adequate water.
AI-estimated from published studies. Interpret as directional guidance.
Psyllium Husk has a higher evidence score (8.5/10 vs 6.5/10) and wins in 2 of 3 categories.
For reduce inflammation, Milk Thistle has a higher relevance score (95 vs 70).
No known interactions between Milk Thistle and Psyllium Husk have been documented in our database. However, always consult a healthcare provider before combining supplements.