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.
- 300MG CAFFEINE - Per serving of 16 fluid oz.
- KEY NUTRIENTS – Potassium, Niacin, and Vitamin B12.
- ULTIMATE ENERGY — Get your ultimate workout started with 300 mg of caffeine