Extreme Caution Advised: Hemo-Rage Black Ultra Concentrate may be stronger than any pre-workout product you have ever tried . It's effects may be way too intense for some individuals. Hemo-Rage Black Ultra Concentrate is so powerful and concentrated that all you need is one single scoop. Just one scoop and you're set for an experience unlike anything else: Intense Energy, Zoned-In Focus and Razor Sharp Mental Clarity let you push beyond your limits. Forget feeling tired and weak. No weight is too heavy, no training too intense, no pump has ever felt like this. Get ready to pull out all the stops.