Citric acid, maltodextrin (adds a trivial amount of sugar), aspartame (phenylketonurics: contains phenylalanine), natural and artificial flavors, contains 2% or less of the following: cellulose gum, salt, acesulfame potassium, magnesium oxide, pectin, sodium phosphate, ascorbic acid (vitamin c), guar gum, artificial color, red 40, blue 1.
Phenylketonurics: contains phenylalanine