Carbonated water, citric acid, natural flavor, sodium citrate, potassium benzoate (preserves freshness), acesulfame potassium, sucralose, calcium disodium edta (to protect flavor), calcium pantothenate, niacinamide, yellow 5, pyridoxine hydrochloride (vitamin b6), 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.