Decabol 300 (Nandrolone )is most commonly sold commercially as its decanoate ester (Deca-Durabolin, eubolin, retabolil) and less commonly as a phenyl propionate ester(Durabolin fenobolin). Nandrolone decanoate is used in the treatment of osteoporosis in postmenopausal women (though now not recommended) at a dose of 50 mg every three weeks. It is also used for some aplastic anemias. Injectable anabolic steroid with longer anabolic activity and lower androgenic effect. It has the capacity to increase protein synthesis in muscle cells and help to achieve a positive nitrogen balance