Testosterone cypionate is an anabolic steroid that is classified as a male hormone (androgen). Testosterone cypionate is an injectable solution whose brand name is Depo-testosterone. The generic drug is administered to enhance performance in athletics and bodybuilding, and as a prescription drug that alleviates the symptoms of hypogonadism in men. In most cases, the drug is administered to the muscle or the subcutaneous layer of the skin through an injection based on clinical indications or once every few weeks. The androgenic/anabolic structure of Testosterone cypionate has a score of 100, which makes it an appropriate steroid for strength and size associated gains. Testosterone cypionate influences changes in the size, shape, number, and appearance of muscle fibers.