Bio Antrol Extended food supplement from Medichrom to improve reproductive function. BENEFITSHelps maintain normal testosterone levels in the blood.Contributes to male fertility and reproduction.It promotes vitality and provides an overall sense of well-being. Dosage 1 tablet per day, for a period of six months. ingredients L-Citrulline, L-Arginine, Eurycoma Longifolia, Tribulus Terrestris, Urtica Dioica Extract 4:1, Ginseng Extra, Folic Acid, Zinc, Selenium.