Carbonated water, citric acid, sodium hexametaphosphate (preservative), potassium phosphate, taurine, natural flavors, caffeine, gum arabic, sodium benzoate (preservative), salt, phosphoric acid, acesulfame potassium, sucralose, ester gum, yellow 5, inositol, calcium disodium edta (preservative), pyridoxine hydrochloride (vit. B6), yellow 6, guarana extract, cyanocobalamin (vit. B12).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.