Carbonated filtered water, citric acid, taurine, sodium citrate, natural flavor, tripotassium citrate, trimagnesium citrate, caffeine, sucralose, calcium citrate, potassium sorbate (preservative), sodium benzoate (preservative), acesulfame potassium, fd&c blue #1.
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.