Trenbolone base is a steroid that has no ester attached with it. It is one of the most popular anabolic steroid that is available in the market. It has some variants. The two most common variants of Trenbolone base are Trenbolone enanthate and Trenbolone acetate. The basic hormone for these two are exactly same but they have different half-life. This difference is because of the different esters attached with them. Before proceeding, you should keep this fact in mind that Trenbolone is a veterinary drug that is designed to be used on animals. Trenbolone is very powerful. Most of the bodybuilders consider that all the stories about severe side effects of Trenbolone are highly overstated.