Analysis shows 'herbal' ED products contaminated with PDE-5 inhibitors

Some "herbal" products marketed as having efficacy similarto PDE-5 inhibitors without the side effects and the need for medical monitoringactually contain pharmacologic concentrations of PDE-5 inhibitors, accordingto the results of a Canadian study presented here. Separately, Britishresearchers confirmed what many urologists already know-that informationabout herbal ED therapies sold on the Internet is unreliable and misleading.