Anyone taking medication should consult with their physician prior to taking any dietary supplement. Several toxicology studies show through extensive research that the active ingredient, Liquid BioCell® is safe. It is a naturally derived ingredient and has earned GRAS (General Recognized As Safe) designation. Clinical research also supports the safety of resveratrol. The other ingredients in the formulation include fruit extracts and juices that are also naturally derived, and of course, have been consumed for centuries. Your physician should advise you on any food or supplement products to avoid while on your medication.