Testosterone is a powerful hormone with both anabolic and androgenic actions in the body. Androgens are steroid hormones that promote masculine traits, such as body and facial hair growth, a deeper voice, increased muscle mass, etc Testosterone Cypionate half life are simply hormones that induce the growth of certain tissues (such as skeletal muscle). However, Testosterone Cypionate is certainly beneficial in promoting healthy muscle growth and fat loss, especially in men who struggle to progress in the gym due to low testosterone levels.