Dietary Supplement. Naturally & artificially flavored. 30 servings. America's No.1 pre-workout brand (Based on sales of C4 brand products in the USA from 2014 to the present). NSF: Certified for Sport: The NSFT Certified for Sport Program helps athletes, coaches and trainers made more informed decisions when choosing sports supplements. The program is recognized by the NFL, NFL Players Association, MLB, MLB Players Associations, PGA, LPGA and Canadian Centre for Ethics in Sports. The NSF certification mark on our products helps athletes of all levels buy our supplements with confidence. Certified supplements must meet rigorous standards that include comprehensive lab testing and extensive of the manufacturing processes to ensure contaminated substances or hidden ingredients are not added to a product. Cellucor Sport Series System: 1. Pre: Pre-Workout Energy C4 Sport. taken 30 minutes prior to exercise, provides a boost of energy and focus to maximize your workout. www.cellucor.com. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent and disease.) Made in the USA using US and imported ingredients and components.