Tri-Trenaver is an injectable steroid with a high androgenic ratio. It is a potent agonist of androgen receptors and has been extensively used as a growth promoter. It is a progestin and does not convert to estrogens. The effects of Tri- Tren are increased weight gain, improved food conversion efficiency, decreased muscle RNA and DNA concentrations, and decreased free cathepsin D activity in muscle. As Tri-Trenaver is a time released multi ester blend, users will see effects immediately and upto three weeks from the initial administration.