SAW PALMETTOExtract 640mg (30 capsules) is a concentrated herbal extract derived from the SAW PALMETTO BERRY (Serenoa repens). It has been used by men for decades in Europe and is now recognized in the United States as an aid to prostate health. The berries of the SAW PALMETTO plant have been used for treating inflammation of the bladder, prostate enlargement and as a mild water releaser.