Cellucor C4 Ripped Pre-Workout believes in CUT FAT, NOT Muscle Crash dieting doesn’t work. When you want to lose fat without stripping away Muscle, the trifecta is a cLean diet, proper Training, and the right supplementation. C4 Ripped is a pre-workout supplement that combines the explosive Energy of C4 with ingredients specific to fat loss. This formula helps you train harder while supporting your body’s ability to burn fat.