Parabolin is a mix of: Trenbolone Acetate, Trenbolone Enanthate, Trenbolone Hexahydrobenzylcarbonate. Trenbolone is an androgenic/anabolic steroid, is a potent agonist of androgen receptors and has been extensively used as a growth promoter. Trenbolone is a progestin and does not convert to estrogens. The effects of parabolan 3 is dramatic weight gain, improved food conversion efficiency, decreased muscle RNA and DNA concentrations, and decreased free cathepsin D activity in muscle. The half-life of parabolan 3 is trenbolone acetate one day, trenbolone enanthate seven days and trenbolone hexahydrobenzylcarbonate fourteen days