Carbonated Water, Less Than 2% Of: Natural Flavors, Caffeine, Guarana Extract, Vitamins B3 and B6 (Niacinamide and Pyridoxine Hydrochloride), Acesulfame Potassium, Sucralose, Citric Acid, Caramel Color, Phosphoric Acid, Sodium Benzoate and Potassium Sorbate (to Protect Taste).