We know that for some, just a little bit of energy isn’t enough.
This product is here to help you get up and go, and rise to any challenge. It's the next step for those who want that extra rush. Its formula features more focus and more endurance than C4 Original.
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”