Citric acid, aspartame**, natural flavor, caffeine, maltodextrin, magnesium oxide, contains 2% or less of: acesulfame potassium, calcium silicate, food starch-modified, niacinamide, calcium pantothenate (b vitamin), biotin (b vitamin), vitamin b6, vitamin b12, soy lecithin, yellow 5, red 40.
*phenylketonurics: contains phenylalanine