Carbonated water, citric acid, natural flavor, potassium benzoate (preserves freshness), citrus pectin, aspartame, potassium citrate, caffeine, gum arabic, acesulfame potassium, sucralose, sodium citrate, calcium disodium edta (to protect flavor), yellow 5.
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.