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Head-to-head evidence comparison — which supplement is right for you?
Beta-Sitosterol vs Finasteride: Beta-Sitosterol has the stronger overall evidence (7.5 vs 5.5/10); they're alternatives for prostate health — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Beta-Sitosterol wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
4 of 5 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (1)
Outcomes where both Beta-Sitosterol and Finasteride have evidence — compare verdict strength side-by-side.
60-130mg daily for prostate; 2-3g for cholesterol
With meals (especially for cholesterol benefits), Divided doses
Standardized phytosterol complex
1 mg once daily for male pattern hair loss (Propecia); 5 mg once daily for benign prostatic hyperplasia (Proscar). A prescription drug — use under a clinician.
any
Oral tablet (1 mg for hair, 5 mg for BPH)
4-8 weeks
4-6 weeks
3-12 months to visible effect
Months to years
Throughout use; sometimes persistent
Throughout use
Efficacy and mechanisms of Xiangsha Liujunzi Decoction for gastroesophageal reflux disease: A study integrating meta-analysis, network pharmacology and molecular docking
Phytomedicine : international journal of phytotherapy and phytopharmacology (2026) · Meta analysis · n=646
Eight RCTs (n = 646) showed that XSLJZD significantly improved clinical outcomes compared with controls, demonstrating superior overall efficacy and reduced recurrence.
Efficacy and mechanism of Qianjinweijing Decoction for asthma: Integrating systematic review with meta-analysis and network pharmacology
Medicine (2025) · Meta analysis · n=1200
QJWJ is effective in the treatment of asthma, and the therapeutic mechanism may be related to its regulation of inflammation, immunity, and apoptosis.
Genome-wide association study and meta-analysis of phytosterols identifies a novel locus for serum levels of campesterol
Human genomics (2024) · Meta analysis · n=9758
The meta-analysis replicated most of the reported variants, and our study provided significant support for the association of variants in SCARB1 and ABO with sitosterolemia.
Finasteride in the treatment of men with androgenetic alopecia.
Journal of the American Academy of Dermatology (1998) · Rct · n=1553
Pivotal double-blind randomized, placebo-controlled trials of finasteride 1 mg/day for male pattern hair loss
Long-term (5-year) multinational experience with finasteride 1 mg in the treatment of men with androgenetic alopecia.
European journal of dermatology : EJD (2002) · Rct · n=1553
Five-year placebo-controlled extension of the pivotal Phase III hair-loss trials
The impact of monotherapies for male androgenetic alopecia: A network meta-analysis study.
Journal of cosmetic dermatology (2024) · Meta analysis
Network meta-analysis of monotherapies for male androgenetic alopecia
Based on meta-analysis of 124 RCTs showing 6-12% LDL reduction at standard doses. Conservative effectiveness scale with optimal intake around 2g/day. No significant effects on HDL or triglycerides observed.
AI-estimated from published studies. Interpret as directional guidance.
Beta-Sitosterol has a higher evidence score (7.5/10 vs 5.5/10) and wins in 3 of 3 categories.
For prostate health, Beta-Sitosterol has a higher relevance score (80 vs 75).
No known interactions between Beta-Sitosterol and Finasteride have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.