When you need to go hard, supercharge with C4 Ultimate Energy™. Every can is packed with 300mg of hard-hitting caffeineEvery can of C4® Ultimate Carbonated is loaded with incredible flavors and the perfect amount of carbonation to kick-start your taste buds.
SUPERBRAIN PERFORMANCE™C4 Ultimate Energy™ is formulated with clinically studied BrainBerry® and Cognizin® Citicoline to support cognitive function and elevate your focus to the ultimate level.
- 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.
- ULTIMATE ENERGY — Get your ultimate workout started with 300 mg of caffeine