Saw palmetto is not proven to improve urinary flow, prostate size, or hair loss.
September 2021 in “Elsevier eBooks” Saw palmetto is effective for men's prostate issues, may help women with certain conditions, and could potentially treat hair loss, but should be used carefully due to possible side effects and interactions.
8 citations
,
January 2020 in “Skin appendage disorders” Saw palmetto supplements may modestly improve hair regrowth with few side effects, but more research is needed.
2 citations
,
December 2003 Saw palmetto is an effective natural treatment for hair loss with minimal side effects.
November 2025 in “Journal of Cosmetic Dermatology” Saw palmetto extract safely improves hair growth and reduces hair loss.