Cellucor - C4 Pre-Workout Explosive Energy Icy Blue Razz 30 Servings - 195 Grams (6.87 oz.) Cellucor C4 Pre Workout provides Explosive Energy with Creatine Nitrate! C4 is formulated with key ingredients that will provide more energy to help you get that extra rep, and complete that last set. More reps and more sets are tied to improved strength and endurance. Key Ingredients & Benefits: Creatine Nitrate - Creatine Nitrate is a potent "super... creatine" derivative. This patented and unprecedented compound is a fusion of a creatine molecule with nitric acid. The result is a highly absorbable creatine that simultaneously increases Nitric Oxide and ATP levels within the body. Creatine nitrate is a highly efficient vasodilator, opening up the blood pathways into the muscles resulting in superior nutrient delivery and unparalleled muscle pumps.