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Berry extract that inhibits 5-alpha-reductase, the enzyme converting testosterone to DHT; used for benign prostatic hyperplasia symptoms and androgenic hair thinning, though large trials show mixed results versus placebo.
Male and female pattern baldness, thinning hair, and scalp health.
Also known as: Serenoa repens
Every published result for this pair, extracted and audited.
These charts group published studies by what they reported and how they were run — green marks studies that reported a benefit for this pairing. Tiers run from pooled analyses of many trials (strongest) to one-off observational reports.
Direction of reported outcomes for Saw Palmetto in hair loss.
Study designs behind these findings.
Every measured outcome, one row per finding - numbers exactly as reported.
| Study | Design | n | Duration | Outcome measured | Reported result | Direction |
|---|---|---|---|---|---|---|
| PMID 23298508 2012 | Randomised trial | 100 | 24 months | Hair growth response | 38% response rate | No benefit |
Hand-selected PubMed studies, linked to the originals.
Ordered by strength of evidence, then result direction.
01Beyond Minoxidil: Off-Label Therapies for Male Androgenetic Alopecia-A Systematic Review with Network Meta-AnalysesGupta AK, et al. · Medicina (Kaunas, Lithuania) · 2026PMID 42512824 ↗02Pathophysiology, conventional treatments, and evidence-based herbal remedies of hair loss with a systematic review of controlled clinical trialsAllam AT, et al. · Naunyn-Schmiedeberg's archives of pharmacology · 2025PMID 40536553 ↗03Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysisZhou L, et al. · Frontiers in nutrition · 2025PMID 41561175 ↗04Serenoa repens for the treatment of lower urinary tract symptoms due to benign prostatic enlargement: A systematic review and meta-analysisTrivisonno LF, et al. · Investigative and clinical urology · 2021PMID 34488251 ↗Be the first to share what you noticed with Saw Palmetto for hair loss. How we calculate this.