Saw palmetto (Serenoa repens) is a palm like plant with berries that contains fatty acids, plant sterols, flavonoids. Many studies have found Saw Palmetto Extract Oil effective: *In lower urinary tract health in men. * To increase hair growth in those suffering from hair loss. saw palmetto capsules for women are also available. People also use Saw palmetto for prostate problems. Saw palmetto serenoa repens is a low-growing palm tree with sharp, saw-like leaf stalks and deep red berries that grows in warm climates, such as those in the southeastern U.S. And California. saw palmetto powder is also used. saw palmetto oil and saw palmetto extract are also good for hair growth. A standardized extract of its berries is often combined with other nutrients for prostate support. Decades of research support saw palmetto's safety and efficacy.