Tren Acetate is a fast acting Tren known as Tren Ace by Finnea Pharmaceuticals is an injectable steroid which contains Trenbolone Acetate in 100 mg/ml in a 10 ml vial.
Simply put, Trenbolone is the most powerful overall steroid in use by bodybuilders today. Tren, as it is often called, is both highly androgenic and anabolic. It is chemically unable to aromatize, so there is no estrogen buildup. This, along with its high androgenic properties, makes the muscle produced by this drug very hard and defined.