The Ultimate Pre-Workout Rush! Energy. Focus. Power. Endurance. Explosive Energy and Performance Drink. Naturally and Artificially Flavored. Carbonated Pre-Workout. Low Carb. Take your next workout to the Xtreme! 3000mg Beta-Alanine. 300mg Caffeine. 0g Sugar. Our High Performance Matrix was developed for everyone from the elite athlete to the weekend warrior. Xtreme Shock CO2 is for those who want to maximize their performance to the fullest. Our advanced formula gives you the fuel to conquer any obstacle in front of you. Let Xtreme CO2 power your day! Infused with CarnoSyn. Loaded with Alpha GPC, L-Citrulline and L-Arginine (Nitric N.O.) No Artificial Colors. Zero Crash.