From the makers of C4® America's #1 pre-workout brand‡ ‡Based on sales of C4® brand products in the U.S.A. from 2014 to the present. Naturally and artificially flavoured Cellucor® Sport series products 1 Pre-workout C4 Sport®, taken 30 minutes prior to exercise, promotes endurance. 2 Post-workout Whey Sport, consumed 30 minutes post-workout, provides 30 g of protein per 2 scoops to help build and repair body tissues. 3 All-day athletic support BCAA Sport can be consumed all day and is a source of amino acids involved in muscle protein synthesis. Informed - Choice Trusted by sport The Informed-Choice logo signifies that this product is regularly tested for banned substances under the Informed-Choice program. Products undergo rigorous testing at an ISO 17025 accredited lab to provide the highest level of assurance that they are safer for athletes to use. For further information about the testing process, please visit www.informed-choice.org.