6 INCREDIBLE FLAVORS: Available in Pink Lemonade, Rocket Pop, Green Apple, Wildberry, Tropical Rage, and Blue Ice. 5% Nutrition delivers the industry's most comprehensive formulations, made for elite level performance, with quality, purity and 100% satisfaction guaranteed. Join the 5% Nation, proud to be the most hardcore muscle-building community on the planet. SUPERIOR N.O. BOOSTER: While other products use L-Citrulline Malate, 5150 uses 4 grams of 100% pure L-Citrulline, ensuring massive blood flow that delivers nutrients where they're needed most. As a precursor to nitric oxide, it converts to Arginine in the liver for the most insane, long-lasting pumps. EVERLASTING ENDURANCE & RAPID RECOVERY: Defeat muscle fatigue and power through the gnarliest of workouts with 3 grams of Beta Alanine that helps block lactic acid buildup before it can start. JITTER-FREE INTENSITY & DRIVE: The Stim-Crazy Caffeine Complex delivers 400 mg of caffeine derived from 8 sources, including time-released Di-Caffeine Malate and extracts from coffee, green tea, yerba mate, guarana, yohimbine, and gotu kola. Destroy every session!. MEGA-DOSED ENERGY, FOCUS & PUMP! 5150's one-of-a-kind preworkout blend will give you insane energy, extreme pumps and vascularity, razor-sharp focus, intense motivation, and extended endurance. We added Huperzine A and Cocoabuterol!.