A new study published in JAMA shows that Saw Palmetto, a common herb used to treat urinary symptoms in BPH, is ineffective when compared to placebo. Previously, many studies and meta-analyses have found it to be effective. This study not only tested the usual dose (320 mg daily), but also much higher doses, up to 960 mg daily.

COMMENT: Many people swear by Saw Palmetto in decreasing their BPH symptoms, but this study certainly disputes its benefits. You should realize that many products for BPH contain other herbs along with saw Palmetto, such as pygeum and pumpkin seed. Perhaps these combinations work synergistically to improve symptoms. My advice is that, if you decide to take it, take it in combinations and stop taking it if it doesn't work within 1-2 months.