Supra Testosterone 400mg 10ml is a medication used to treat low testosterone levels in adult men. This testosterone injection contains testosterone cypionate, an androgen and anabolic steroid. It works by increasing levels of testosterone in the body, which can help with issues such as decreased sex drive, depression, and other symptoms caused by low testosterone. It is also used to treat hypogonadism, a medical condition in which the body does not produce enough testosterone. Dosage varies depending on the individual, but it is typically injected into the muscle once or twice a week.