Testosterone, a strong androgenic hormone, is mainly secreted in male testes and female ovaries, and in small amounts, secreted by the adrenal glands. It is an anabolic steroid and a key male sex hormone. It plays key role in development of male secondary sex characteristics. Testosterone is responsible for good general health and well being. It helps to improve libido, energy, immune function in both males and females. It provides protection against osteoporosis. It is best known for regulating body fat – helping to reduce fat, maintain and gain lean muscle mass and bone density. Testosterone Enanthate is one of the anabolic steroids, which is available as prescription drug in the United States. Testosterone Enanthate is sold under the brand name Delatestryl in the United States. Delatestryl is a registered hallmark of Indevus Pharmaceuticals Inc. in the United States and/or other countries. It is very popular injectable anabolic all over the world, but in the United States, similar injectable anabolic Testosterone Cypionate is preferred. Testosterone Enanthate is an injectable anabolic steroid. Its chemical formula is C7H14O2. Its chemical name is Androst-4-en-3-one, 17-((1-oxoheptyl)oxy)-, (17beta)-. In Testosterone Enanthate, testosterone comes attached with a slow-acting ester, Enanthate, which helps to delay Testosterone release into the bloodstream over several days. Its release time is between 8-10 days. Testosterone Enanthate helps in protecting your muscle catabolic waste, and helps muscle cells to store more protein. It increases erythropoiesis in your kidney. It helps in maintaining the bone density and strength as well. It is often used by bodybuilders and athletes. It is usually anywhere between once every week to once every three weeks, though some users inject it twice a week. However, there are several side effects associated with Testosterone Enanthate. Its overdoses usually cause the usual side effects associated that are associated with Testosterone. Testosterone Enanthate side effects include hair loss, acne, gynecomastia and eventual surcease of the body’s natural production of testosterone. Most of these Testosterone Enanthate side effects are cause due to the conversion of Testosterone into Dihydrotestosterone and estrogen. Some other side effects may include retention of water, nausea, jaundice, alterations in liver functions, increased or decreased libido, headache, anxiety, and depression. Testosterone Enanthate side effects make the drug stand among the Schedule III drugs in the United States. However, it is available under doctors’ prescription. Testosterone Enanthate gives the best results in men if it is used 250-1000mg/week. It is not recommended for women.