IngredientsCarbonated Water, Citric Acid, Aspartame, Potassium Citrate, Natural Flavor, Caffeine, Sodium Benzoate (Preserves Freshness), Gum Arabic, Acesulfame Potassium, Sucralose, Glycerol Ester of Rosin, Calcium Disodium EDTA (to Protect Flavor), Red 40.