We use essential cookies (authentication, your saved goals/stack) by default. With your permission we’ll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Head-to-head evidence comparison — which supplement is right for you?
Beta-Sitosterol vs Rye Pollen Extract: Beta-Sitosterol has the stronger overall evidence (7.5 vs 4.8/10); 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 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
Mostly mechanism / observational
Top outcomes
Shared outcomes (1)
Outcomes where both Beta-Sitosterol and Rye Pollen Extract 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
2 capsules/tablets three times daily (every 8 hours), or 375-750 mg twice daily
Three divided doses per day, roughly every 8 hours, With or without food — no trial specified a meal requirement
Cernilton / Cernitin standardized rye-grass pollen extract
4-8 weeks
4-6 weeks
12-24 weeks
12-24 weeks
6-12 weeks
6-12 weeks
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.
Cernilton for benign prostatic hyperplasia
Cochrane Database of Systematic Reviews (2000) · Systematic review · n=444
444 men were enrolled in 2 placebo-controlled and 2 comparative trials lasting from 12 to 24 weeks; three used a double-blind method although treatment allocation concealment was unclear in all.
A pollen extract (Cernilton) in patients with inflammatory chronic prostatitis-chronic pelvic pain syndrome: a multicentre, randomised, prospective, double-blind, placebo-controlled phase 3 study
European Urology (2009) · Rct · n=139
139 men with NIH category IIIA CP/CPPS were randomised to pollen extract (n=70) or placebo (n=69), dosed as two capsules every 8 hours for 12 weeks.
A systematic review of Cernilton for the treatment of benign prostatic hyperplasia
BJU International (2000) · Systematic review · n=444
444 men were enrolled in two placebo-controlled and two comparative trials lasting 12-24 weeks; concealment of treatment allocation was unclear in all.
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 4.8/10) and wins in 2 of 3 categories.
For prostate health, Beta-Sitosterol has a higher relevance score (80 vs 78).
No known interactions between Beta-Sitosterol and Rye Pollen Extract 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.