Pfizer Genotropin is an injectable human growth hormone (hGH) used to treat a variety of conditions in adults and children. It helps to increase muscle mass, reduce fat, and improve strength and stamina. Injections are given either subcutaneously (under the skin) or intramuscularly (into a muscle). The recommended dose and frequency of injections will vary depending on the individual’s condition and response to treatment. Genotropin is a powerful tool to help you achieve your fitness goals. With proper diet and exercise, it can help you build muscle mass, lose fat, and improve your strength and stamina. If you are serious about your fitness goals, Genotropin is the product for you.