Cellucor C4 Ripped Pre-Workout Supplement 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. L-Carnitine is an amino acid that plays an important role in transporting fatty acids for energy. Green coffee bean extract supports your body’s metabolism of fat. Capsimax cayenne fruit extract helps promote lipolysis and helps support the mobilization of fat for energy production.