Trenbolone Enanthate (Tre) 100mg/ml 10ml is an oil based preparation of trenbolone enanthate, a synthetic anabolic androgenic steroid ester derived from 19 nor testosterone chemistry. Researchers may reference trenbolone esters in studies involving androgen receptor signaling, nitrogen balance models, and steroid pharmacokinetics. This format is commonly discussed in analytical and method development work where concentration and volume are specified.