HCG 5000 refers to a dosage toughness (5000 IU) of Human Chorionic Gonadotropin (HCG), a hormone made in the course of pregnancy. In healthcare and Exercise contexts, it's utilized for different reasons: what on earth is HCG? Human Chorionic Gonadotropin (HCG) is actually a hormone By natural means produced by the placenta all through pregnancy.