Carbonated water, high fructose corn syrup and contains 2% or less of: natural flavors, concentrated grapefruit juice, citric acid, modified food starch, sodium benzoate (preservative), ester gum, brominated vegetable oil, calcium disodium edta (preservative).
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.