C4 is the next level of innovation and refinement. Its formula is now more dialled in, more potent and includes the breakthrough ingredient, teacor for improved energy that comes on quickly and lasts longer. Beta alanine an amino acid that supports muscular endurance. Beta alanine produces a tingly sensation throughout the body that lets you know it's working. Creatine nitrate creatine bound to nitrate. Creatine nitrate produces two desirable effects on performance creatine for strength and nitrate for pumps. Acetyl l tyrosine it is a core part of the essential energy blend. It helps support peak mental and physical performance. Caffeine a popular and proven source for energy.