After you down your first dose of MRI's pre-workout supplement Black Powder, in a heart beat, Black Powder "lights up" new metabolic targets! Your strength appears to skyrocket and weights seem lighter than they actually are. It feels like your muscles recover before you even leave the gym. As you step out of the gym, you'll have the throbbing, skin-ripped body as proof of what just transpired! Get used to it. It's all part of the awe-inspiring Black Powder training effect!