C4 Extreme Energy is the next step for those who want that extra rush. Its formula features twice as much caffeine, more focus and more endurance than C4 Original.
C4 Extreme Energy Blend®
300 mg Caffeine, TeaCrine®, Creatine Nitrate (NO3-T®), CarnoSyn® Beta-Alanine
Contains CarnoSyn® Beta Alanine, an amino acid, which converts to a compound in your body called carnosine. It is the only patented and clinically studied form of beta-alanine that has been shown to support muscular endurance.