Saw palmetto for hair loss
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A systematic review published in the journal Skin Appendage Disorders examined the use of saw palmetto as a natural supplement for treating alopecia. While some studies suggest it may promote hair growth by inhibiting hormone-related hair loss, evidence remains inconclusive due to limited and inconsistent research. Experts recommend consulting a healthcare provider before using saw palmetto, as its effectiveness and safety profile are not yet fully established.
Source
Evron, E., Juhasz, M., Babadjouni, A., & Mesinkovska, N. A. (2020). Natural Hair Supplement: Friend or Foe? Saw Palmetto, a Systematic Review in Alopecia. Skin appendage disorders, 6(6), 329–337. https://doi.org/10.1159/000509905
Additional Reading
https://www.healthline.com/nutrition/saw-palmetto-benefits
https://www.verywellhealth.com/can-saw-palmetto-halt-hair-loss-89919