Mestanolone, a synthetic anabolic-androgenic steroid derived from dihydrotestosterone, is primarily used in medicine for its potent anabolic and androgenic properties. It is prescribed to treat conditions related to testosterone deficiency, such as delayed puberty in males, and to manage muscle-wasting diseases like cachexia. Additionally, it supports recovery in patients with severe burns or prolonged immobilization by preserving muscle mass and enhancing strength. In non-medical contexts, mestanolone is explored in sports and bodybuilding to boost physical performance and muscle growth, though its use is controversial, often banned, and carries health risks including liver toxicity and hormonal imbalances.