Explosive Energy: Fuel your performance with BETA-ALANINE (CARNOSYN) and 200mg of caffeine. Zero Sugar: Made with zero sugar and no synthetic dyes, so you can perform at your best without compromises. Enhanced Endurance: Clinically studied to fight fatigue and power muscular endurance. NSF Certified for Sport: Trusted by athletes, C4 Performance Energy is NSF-certified, ensuring it’s safe and free from banned substances. On-the-Go Convenience: 8 drink mix sticks in every box, so you can carry your C4 with you everywhere you go. Just mix with water for an easy, energy boost anytime you need it. Your favorite performance energy drink now available in an "on-the-go" drink mix! Formulated with 200mg caffeine, clinically studied ingredients, and carrying the NSF Certified for Sport label, C4 Performance Energy is the athlete’s choice for elevating performance. With ZERO grams of sugar or synthetic dyes, Frozen Bombsicle delivers a refreshing, icy-cool taste with every sip.