C4® Ultimate is free from artificial flavors and dyes, made with a fully disclosed formula, and upgraded with cutting-edge performance ingredients like NitraMax (NO3-C)™ Citrulline Nitrate and a double dose of pump-boosting nitrates.*

• BUILD MUSCLE & STRENGTH - Formulated with a Super Citrulline Pump Matrix to support ultimate pumps and an increase in nitric oxide
• INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue
• MORE SCOOPS, PLEASE - Formulated with a patented and clinically studied compound that may help the body prolong its caffeine tolerance buildup
• DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Cotton Candy, Icy Blue Razz, Orange Mango, Sour Batch Bros, and Strawberry Watermelon