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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
Mostly mechanism / observational
Top outcomes
60-130mg daily for prostate; 2-3g for cholesterol
With meals (especially for cholesterol benefits), Divided doses
Standardized phytosterol complex
Prescription topical: a pea-sized amount of 0.025%-0.1% cream or gel applied to clean, dry skin once nightly. Start low-strength and every-other-night to build tolerance. A prescription drug used under clinician direction — not a supplement regimen.
before-bed
Topical cream or gel, 0.025%-0.1% (prescription)
4-8 weeks
4-6 weeks
12-24 weeks
12-24 weeks
Months
8-12 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.
Topical tretinoin improves photoaged skin. A double-blind vehicle-controlled study.
JAMA (1988) · Rct
Randomized, double-blind, vehicle-controlled trial of topical tretinoin for photoaged forearm and facial skin
Tretinoin emollient cream: a new therapy for photodamaged skin.
J Am Acad Dermatol (1992) · Rct
Multicenter double-blind vehicle-controlled trial of tretinoin emollient cream for photodamaged skin
Long-term treatment of photoaged human skin with topical retinoic acid improves epidermal cell atypia and thickens the collagen band in papillary dermis.
J Am Acad Dermatol (2005) · Open label
Long-term topical retinoic acid on photoaged human skin assessed histologically
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 8/10) and wins in 2 of 3 categories.
No known interactions between Beta-Sitosterol and Tretinoin (Retin-A) have been documented in our database. However, always consult a healthcare provider before combining supplements.