Boost your workout with the Cellucor C4 Ultimate Shot, the powerful pre-workout booster in a practical 60 ml bottle. This shot combines beta-alanine, L-arginine, L-citrulline malate and betaine for longer and harder workouts. An additional energy boost from 200 mg of caffeine provides the kick you need to overcome any challenge in the gym or during a home workout. Ideal for athletes looking for a quick, effective boost before training. The powerful shot works best once a day, 20-30 minutes before exercise!