Testosterone is the primary androgen in the body that controls growth, development, and function of male sexual organs and characteristics. This is a controlled medication, commonly prescribed for the treatment of low testosterone levels in males (hypogonadism) who do not produce enough natural testosterone. Testosterone Cypionate is an injectable compound that is slow-acting, a long-ester, and oil-based. This product will arrive as two 5ml vials. Syringes and needles for injection ordered separately.