Drostanolone propionate is an anabolic/androgenic steroid which is the propionate ester of drostanolone. It is known to be androgenic and anabolic. It is incapable of aromatization and has similar properties todihydrotestosterone. It has been successfully used as a breast cancer drug,

Masteron is a powerful anabolic/androgenic steroid derived from DHT that was designed to fight certain forms of breast cancer. It is used by bodybuilders as a bulking and cutting agent, as well as an ancillarydrug to combat estrogenic side effects like water-retention. Its toxicity to the liver is very low, although side effects such as acne, hair loss and prostrate enlargement are common.