Bernstein Medical - Center for Hair Restoration - Saw Palmetto
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Q: Have there been any lab studies proving that Saw Palmetto works to prevent hair loss? — A.B., Yonkers, NY

A: There have been no verifiable clinical studies that show saw palmetto can stop hair loss or cause hair to re-grow. There have been some preliminary tests showing that saw palmetto may be able to inhibit 5-alpha-reductase, but its usefulness for androgenetic hair loss has not been documented in controlled studies.

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Q: What is Saw Palmetto? — R.P., White Plains, NY

A: Saw Palmetto is a dwarf palm plant native to North America. The active ingredients can be found in the plant’s brown-black berries. It is proposed that it blocks the enzyme 5-alpha-reductase that converts testosterone to dihydrotestosterone (DHT). There is little scientific evidence that Saw Palmetto is actually effective for hair loss.

Read about the treatment of hair loss in men

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