Competitive Edge Labs Api-Plex ApigeninCompetitive Edge Labs Api Plex the Active ingredient in Api Plex Apigenin is a natural flavonoid. Apigenin has a natural anabolic effect, as first discovered by researchers at the Korea Food Research Institute. In the initial study that led to Apigenins popularity for building muscle, scientists began experimenting with his flavone with mice and the mice receiving the Apigenin had significant muscle mass gains over the mice not receiving it. The