Parabolan Powder | Hexabolan | Trenbolone Hexahydrobenzyl Carbonate | Tren Hexa Tri-trenabol 150mg Ingredient What is Parabolan​ ? Trenbolone hexahydrobenzylcarbonate (brand name Parabolan, Hexabolan), or trenbolone cyclohexylmethylcarbonate, also known as estra-4,9,11-trien-17β-ol-3-one 17β-cyclohexylmethylcarbonate, is a synthetic anabolic-androgenic steroid (AAS) of the 19-nortestosterone group and an androgen ester – specifically, the 17β-hexahydrobenzylcarbonate ester of trenbolone – which was marketed in France for human clinical …