Carbonated water, caramel color, natural and artificial flavor, aspartame (phenylketonurics: contains phenylalanine), potassium benzoate (a preservative), citric acid, quillaia extract, gum acacia, yucca extract.
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.