Saw Palmetto Extract
An herbal supplement, saw palmetto (Serenoa repens) is often used for prostate-related problems, such as an enlarged prostate. It may also be beneficial as a treatment for hair loss. Side effects of this supplement may include:
Clinical studies have yielded mixed results on the effectiveness of using saw palmetto for an enlarged prostate. Some studies indicated that it worked well, while other studies suggested that it was no more effective than a placebo (a "sugar pill" with no active ingredients).
(Click Saw Palmetto for more information, including theories on how the supplement is thought to work, safety issues associated with saw palmetto extract, and more.)