C4 Ultimate Pre-Workout from Cellucor is an advanced pre-workout supplement that helps improve athletic performance while providing energy , muscle pumps , and endurance . This formula helps you train harder by combining proven ingredients that provide energy and endurance, such as beta-alanine, arginine, citrulline, creatine, and caffeine. It will help you stay focused even during the toughest workouts, helping to reduce fatigue and exhaustion. BENEFITS Promotes energy and mental focus Supports blood circulation and vascular health Creates an energy pump in the muscles Helps improve sports performance Includes 3.2g of clinically researched CarnoSyn beta-alanine, which helps increase endurance, performance, and fight fatigue. 6g of citrulline (L-Citrulline, Citrulline-Malate) 300mg of caffeine provides explosive energy before training 3g of creatine It contains arginine, taurine and other ingredients that promote energy and mental focus. Dosage Consume one serving (1 scoop) of C4 Ultimate, mixing it with 300 ml of water 20-30 minutes before your workout.