Epimedium Herb Extract Icariine 20%, 40%, 98% Product name: Epimedium Herb Extract Icariine 20%, 40%, 98% Usage: increase the flow of cardiovascular, improve ... -light. Contents supply:10%, 20%, 30%,40%, 50%, 80%, 90% ,98% Botanical Source: Epimedium grandiflorum Morr.