Citric acid, maltodextrin, natural flavors, aspartame (phenylketonurics: contains phenylalanine), caffeine, contains 2% or less of the following: acesulfame potassium, sodium citrate, magnesium oxide, niacinamide (vitamin b3), d-calcium pantothenate (vitamin b5), biotin (vitamin b7), cyanocobalamin (vitamin b12), pyridoxine hydrochloride (vitamin b6), taurine, guarana seed extract, ginseng extract, red 40, blue 1.
Phenylketonurics: contains phenylalanine.