Saw Palmetto Capsules (IMAGE) Washington University School of Medicine Caption Compared to a placebo, saw palmetto capsules, pictured above, do not alleviate urinary problems related to an enlarged prostate, even when men take up to three times the standard daily dose. Credit Robert Boston, Washington University Usage Restrictions Credit to Washington University License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.