Ignite your limitless potential with C4 Ultimate Energy™ – now available in Freedom Ice! In support of our partnership with Wounded Warrior Project we’re proud to introduce this new flavor to honor and empower our nation’s heroes. Even more, Nutrabolt will donate $500,000 to Wounded Warrior Project® regardless of sales. SUPERCHARGED ENERGY When it’s time to gear up for your next mission, fuel up C4 Ultimate Energy™. Every can is packed with 300mg of caffeine for the ultimate energy experience. SUPERBRAIN PERFORMANCE™ C4 Ultimate Energy™ is formulated with clinically studied BrainBerry® and Cognizin® Citicoline to support cognitive function. With SuperBrain Performance™, your focus is locked in on your next task.   C4 ULTIMATE ENERGY™ INGREDIENTS 300MG CAFFEINE - Per serving of 16 fluid oz. COGNIZIN® CITICOLINE ­- Clinically studied ingredient that supports mental focus, attention, and recall. BRAINBERRY® - Clinically studied ingredient designed to enhance cognitive performance and brain fitness. ALPHASIZE® - Clinically studied ingredient that supports cognitive function, memory, and concentration. KEY NUTRIENTS – Potassium, Niacin, and Vitamin B12