IngredientsCitric Acid, Sodium Citrate, Aspartame **, Magnesium Oxide, Maltodextrin, Potassium Citrate, Contains Less than 2% of Acesulfame Potassium, Calcium Silicate, Natural Flavors, Artificial Color, Lemon Juice Solids *, Yellow 5, * Adds a Trivial Amount of Sugar, ** Phenylketonurics: Contains Phenylalanine.