Carbonated water, citric acid, natural flavor, potassium citrate, taurine, potassium benzoate (a preservative), aspartame, caffeine, acesulfame potassium, inositol, malic acid, niacinamide (vitamin b3), d-calcium pantothenate (vitamin b5), cyanocobalamin (vitamin b12).
Phenylketonurics: contains phenylalanine.