WARNING: C4 Performance Energy® is made for athletes. Whether you’re battling for rings or playing for pride, C4 Performance Energy® contains clinically studied ingredients that enhance performance at every stage of the game. Each can is powered by 200mg of caffeine and CarnoSyn® Beta-Alanine for explosive energy and enhanced endurance.* Side effects may include shattered PRs and total confidence that your product is free of sugar, artificial colors, and 290+ banned substances. Drink at your own risk of excellence.