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