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