Citric acid, maltodextrin, aspartame (phenylketonurics: contains phenylalanine), natural flavor, caffeine, contains less than 2% of: niacinamide, calcium pantothenate (b-vitamin), biotin (b-vitamins), vitamin b6, vitamin b12, magnesium oxide, acesulfame potassium, gum arabic, calcium silicate, artificial color, red 40, blue 1.
Phenylketonurics: contains phenylalanine. Not recommended for children or those sensitive to caffeine.