HCG 5000 refers to the dosage energy (5000 IU) of Human Chorionic Gonadotropin (HCG), a hormone manufactured all through pregnancy. In health-related and Health contexts, it can be useful for a variety of uses: what's HCG? Human Chorionic Gonadotropin (HCG) is a hormone By natural means produced by the placenta all through pregnancy. It plays a j