Restanon 250 Injection is a combination medicine that belongs to the class of androgens. It is used in the treatment of male hypogonadism, boosting testosterone levels to alleviate symptoms such as impotence, infertility, low libido, fatigue, and depression in adult men. This medicine works by increasing the levels of testosterone in the body and helping to alleviate symptoms of low testosterone, such as impotence, infertility, low sex drive, tiredness, and depression. Common side effects include weight gain, increased PSA levels, and increased hematocrit, red blood cell count, and hemoglobin levels.