Citric acid, maltodextrin (add a trivial amount of sugar), natural and artificial flavors, aspartame (phenylketonurics: contains phenylalanine), contains 2% or less of the following: artificial color, acesulfame potassium, magnesium oxide, monocalcium phosphate, yellow 5, yellow 6.
Phenylketonurics: contains phenylalanine.