Nandrolone Caproate is an anabolic steroid that is used medically for the treatment of bone marrow failure and anemia. However, it is also commonly used illegally by athletes and bodybuilders as a performance-enhancing drug. There are several synonyms for Nandrolone Caproate, including 19-nortestosterone 17β-caproate, Norandrostenolone Caproate, and Dynabol Caproate. These synonyms are often used interchangeably and refer to the same drug. Despite its widespread use, Nandrolone Caproate is considered a controlled substance and is illegal without a prescription. Its misuse can lead to severe side effects such as liver and kidney damage, cardiovascular disease, and infertility.