How does St. John's Wort Interact with Drugs? Q and A with Dr. Gurley 

In this video clip, Dr. Bill Gurley discusses how St. Johns wort reduces the effectiveness of many medications.
To learn more about interactions between supplements and drugs, watch Dr. Gurley's lecture "Clinically Relevant Herb-Drug Interactions: Past, Present, and Future" at nccih.nih.gov/....
Free CME and CE are available.
Bill J. Gurley, Ph.D., is a professor in the Department of Pharmaceutical Sciences and director of the Clinical Pharmacokinetics Laboratory at the University of Arkansas for Medical Sciences College of Pharmacy.