Product name Epimedium P.E. Latin name Epimedium P.E. Active Ingredient Icariin Part used Whole Berb Apperarance Brown fine powder Product Content Icariin≥10% Test Mothed HPLC Product Origin Extracted from the Whole herb of Epimedium. Action and Uses Icariin,Treat angina，Increase coronal-vein blood flux Scientists demonstrate that the mechanism of the therapeutic action of icariin (ICA) on erectile dysfunction (ED) is inhibition cGMP-specific PDE5, a factor causing ED.The studies by Liao HJ demonstrate Chinese medicine epimedium exerted immune-enhancing effect on the animal model of chronic renal insufficiency. The further investigation by him also suggests epimedium had therapeutic effect on sexual disorder and immunologic inadequacy in the patients of chronic renal failure undergoing hemodialysis.