Drostanolone Propionate is perhaps one of the more exotic androgenic / anabolic steroids, which can be used by an athlete. Was originally developed and used as an anti-estrogen used to treat breast cancer. It was especially in combination with a SERM (Selective Estrogen Receptor Modulators) used tamoxifen (Nolvadex) for the treatment of breast cancer, and did give a significant decrease in estrogen levels in women subjected to such treatment. There is not much used these days for such purposes, for different reasons, but for many athletes including competitive bodybuilders in particular remains a rather Drostanolone Propionate secret favorite of AS drugs.