Carbonated Water, Citric Acid, Taurine, Natural and Artificial Flavors, Sodium Bicarbon- ate (Baking Soda), Magnesium Carbonate, Colors, Caffeine, Sucralose, Xanthan Gum, Acesulfame K, Niacina- mide, Pyridoxine HCl (Vitamin B6), Calcium Pantothenate, Vitamin B12.