Citric acid, maltodextrin, aspartame (phenylketonurics: contains phenylalanine), acesulfame k, contains less than 2% of calcium carbonate, sodium bicarbonate, red 40, ascorbic acid, vitamin e acetate, magnesium oxide, natural flavors, beta carotene, sugar (adds a trivial amount of sugar), blue 1.
Phenylketonurics: contains phenylalanine.