Carbonated water, high fructose corn syrup, tartaric acid, citric acid, natural flavor, sodium citrate, sodium benzoate (preserves freshness), gum arabic, caffeine, glycerol ester of rosin, calcium disodium edta (to protect flavor).
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.