Uses:Prostate Health (Men Only). Saw Palmetto (Serenoa repens) is a commonly used western herb to foster and maintain prostate health. Medical studies have shown that standardized herbal extracts of Saw Palmetto helps to reduce symptoms related to prostate enlargement, benign prostatic hyperplasia (BPH), including frequency and urgency of urination. Studies have shown effectiveness rates on par with the prescription drug proscar yet with fewer side effects.* ($5.99)