Carbonated water, citric acid, natural flavor, sodium benzoate (preserves freshness), potassium citrate, caffeine, aspartame, acesulfame potassium, sucralose, gum arabic, red 40, calcium disodium edta (to protect flavor), potassium sorbate (preserves freshness), blue 1, sucrose acetate isobutyrate.
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.