Carbonated water, high fructose corn syrup, citric acid, natural flavor, gum arabic, sodium benzoate (preserves freshness), caffeine, sodium citrate, glycerol ester of rosin, calcium disodium edta (to protect flavor), red 40.
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.