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Head-to-head evidence comparison — which supplement is right for you?
Beta-Sitosterol wins 2 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
Likely helps
12 of 13 studies with measurable effects showed benefit.
Top outcomes
60-130mg daily for prostate; 2-3g for cholesterol
With meals (especially for cholesterol benefits), Divided doses
Standardized phytosterol complex
20-40mg extract (standardized to 0.5% agnuside)
Morning, Consistently at same time daily
Standardized extract (0.5% agnuside or 0.6% aucubin)
4-8 weeks
4-6 weeks
1-3 cycles
2-3 cycles
1-2 cycles
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.
Vitex agnus-castus in premenstrual syndrome: A meta-analysis of double-blind randomised controlled trials
Complementary Therapies in Medicine (2019) · Meta analysis · n=1878
Vitex significantly reduced overall PMS symptom scores vs placebo
Herbal medicine for depression and anxiety: A systematic review with assessment of potential psycho-oncologic relevance
Phytotherapy research : PTR (2018) · Systematic review
Overall, 45% of studies reported positive findings with fewer adverse effects compared with conventional medications.
A Critical Approach to Evaluating Clinical Efficacy, Adverse Events and Drug Interactions of Herbal Remedies
Phytotherapy research : PTR (2016) · Review
A critical evaluation of the clinical data regarding the adverse effects has shown that herbal remedies are generally better tolerated than synthetic medications.
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.
Based on meta-analysis of RCTs showing large effect size. Most effective for irritability, mood swings, and breast tenderness. Standardized extracts (Ze 440, BNO 1095) had strongest evidence. High heterogeneity noted between studies.
AI-estimated from published studies. Interpret as directional guidance.
Beta-Sitosterol has a higher evidence score (7.5/10 vs 7/10) and wins in 2 of 3 categories.
For menopause support, Beta-Sitosterol has a higher relevance score (85 vs 75).
No known interactions between Beta-Sitosterol and Vitex have been documented in our database. However, always consult a healthcare provider before combining supplements.