Triptorelin overview Triptorelin is a synthetic hormone commonly used in bodybuilding as a performance-enhancing drug. It is classified as a gonadotropin-releasing hormone (GnRH) analogue, which means it mimics the actions of the naturally occurring GnRH in the body. Triptorelin is commonly used in bodybuilding to enhance muscle growth and recovery. It works by regulating the release of luteinizing hormone (LH) y …