No-holds-barred energy from 300mg of caffeine alongside clinically studied ingredients for endurance and hydration. With, zero sugar, carbs, or calories, and no artificial colors or flavors, C4 Ultimate is the ultimate energy drink to overdrive performance. Every can of C4 Ultimate Carbonated is loaded with incredible flavors and the perfect amount of carbonation to kick-start your taste buds. ULTIMATE ENERGY — Get your ultimate workout started with 300 mg of caffeine. SUPERBRAIN PERFORMANCE from BrainBerry & Cognizin Citicoline. INCREDIBLE FLAVOR — Incredible naturally sweetened C4 taste with zero sugar.
