Better Quality, Better Health, Better Life.MF:C22H30N6O4S·C6H8O7MW:666.70Description:White powderFunction: Used in the treatment of penile erectile dysfunction (ED)We believe that our years experience in foreign trade and professional knowledge of products will entitle us to meet all your actural requirements.Remarks:-1,Delivery: By Courier UPS/DHL/TNT/EMS or by AIR/ SEA Forwarder based on actual order quantity.-2,Samples: Within 48 Hours.Retail is accepted , Agent is welcome.Wish start business with you in soonest future :)