C4 Ultimate 20 Serv. is the culmination of advanced pre-workout supplement engineering by Cellucor. This product is distinguished by a clinical formula designed for elite athletes and advanced users aiming to maximize their physical capability. The combination of L-Citrulline Malate and Nitrosigine® ensures effective vasodilation and improved blood flow, providing a competitive edge. Additionally, the inclusion of advanced nootropics and stimulants guarantees superior mental focus and long-lasting energy. The formula contains CarnoSyn® Beta-Alanine to reduce muscle fatigue and Creatine Nitrate for explosive strength, while anhydrous caffeine and caffeine malate provide sustained energy release. Targeted at those looking for technical support to enhance performance in the most demanding training sessions, C4 Ultimate is an indispensable tool for achieving new personal records. Store in a cool, dry place to maintain the integrity of active ingredients. Available in various flavors, including Lemon Twist and Tutti Frutti.