Citric acid, maltodextrin*, natural & artificial flavor, b-vitamin blend [vitamin b3 (niacinamide), vitamin b5 (calcium d-pantothenate), vitamin b6 (pyridoxine hydrochloride), vitamin b1 (thiamine hydrochloride)], aspartame†, sodium citrate, acesulfame potassium, caffeine, contains less than 2% of ascorbic acid (vitamin c), silicon dioxide, red 40, blue 1.
†phenylketonurics: contains phenylalanine *adds a dietarily insignificant amount of sugar.