Carbonated water, caramel color, natural and artificial flavor, aspartame (phenylketonurics: contains phenylalanine), potassium benzoate (a preservative), citric acid, quillaia extract, gum acacia, yucca extract.
Phenylketonurics: contains phenylalanine. Bottle may burst or cap may blow off causing eye or other serious injury. Point away from face and people, especially while opening.