Citric acid, sodium citrate, potassium phosphate, aspartame**, maltodextrin, caffeine, magnesium oxide, contains less than 2% of sugar*, silicon dioxide, acesulfame potassium, natural flavors, calcium silicate, niacinamide, titanium dioxide (color), calcium pantothenate (pantothenic acid), yellow 5, pyridoxine hydrochloride (vitamin b6), biotin, cyanocobalamin (vitamin b12). *adds a trivial amount of sugar **phenylketonurics: contains phenylalanine
*phenylketonurics: contains phenylalanine