2 citations
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July 2023 in “Phytotherapy Research” Serenoa repens is mostly safe but has some risks, especially at high doses or when used with other products for over two weeks.
4 citations
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January 2015 in “Pharmacology” Serenoa repens may cause early puberty and should be used cautiously in children.
12 citations
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January 1998 in “Endocrine journal” Saw palmetto extract can block the enzyme that converts testosterone in pig prostate cells.
Saw palmetto extract is effective and safe for treating lower urinary tract symptoms, working as well as certain medications, and works even better in severe cases.
39 citations
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September 2013 in “Journal of Cosmetic Dermatology” Herbs can potentially treat hair loss by inhibiting a key enzyme and promoting hair growth, and deficiencies in zinc, biotin, and iron are linked to hair loss.