deca steroid is manufactured by Evolve Biolabs. The main component is nandrolone bound to a decanoate ester.deca durabolin is an anabolic steroid hormone released by the body during strenuous physical activity to maintain the body's overall health.deca half life, marketed specifically under the brand name Decadurabolin, is an androgenic and anabolic steroid (AAS) primarily used to...