Most top-selling, over-the-counter sexual treatments unproven, some could be harmful

Posted: 11 Jan 2016 01:00 AM PST

From horny goat weed to ginseng and maca, over-the-counter dietary supplements sold to improve male sexual health contain a wide variety of "natural" ingredients. Researchers from Wake Forest Baptist Medical Center reviewed the scientific evidence for the most common ingredients to determine if they are effective - and most importantly - safe.