*The full name for this compound is 5alpha-DiHydro-Testosterone and is formed in the prostate and adrenal glands, the testes, and hair follicles. It belongs to a class of compounds called Androgens and is part of the biology of male gender, it is one of the compounds that stimulates and controls masculine characteristics. It is roughly 3 times more potent that testosterone, crucial to virilzation, and quite necessary in limiting estrogen’s effects in men.