Carbonated water, malic acid, citric acid, cognizin citicoline, potassium benzoate (preservative), sucralose, caffeine (from innovatea green tea leaf extract), acesulfame potassium, natural flavors, n-acetyl-l-tyrosine, niacinamide, sodium citrate, cyanocobalamin (vitamin b12).
Caffeine: 150mg per 12 fl. Oz (1 can)