Every gram of protein, Primobolan Depot effect and carbohydrates becomes more valuable. Side Effects of Tren There are many possible Methenolone effects of Tren use, and it is far from the most side effect friendly anabolic steroid. Tren Administration Tren is an injectable anabolic steroid in all three forms. Trenbolone Acetate: Injected every other day some will choose daily if running a very high dose. Higher doses are most commonly used in cutting cycles, especially competitive bodybuilding cycles.