Equipoise Information Product Name: Boldenone Undecylenate Alias: EQ, Equipoise, Bold Undec. Equipoise CAS ID: 13103-34-9 Equipoise Purity: 99.28% by HPLC Equipoise oil has a significant effect on lean body mass. Equipoise oil was originally used to increase lean body mass in horses. Equipoise oil is similar to testosterone, but Equipoise oil is half as estrogenic as testosterone. This feature allows …