HCG 5000 refers into a dosage toughness (5000 IU) of Human Chorionic Gonadotropin (HCG), a hormone manufactured in the course of pregnancy. In healthcare and Exercise contexts, it can be utilized for several reasons: exactly what is HCG? Human Chorionic Gonadotropin (HCG) can be a hormone In a natural way made by the placenta throughout pregnancy.