With other natural flavors. 0 calories per can. 240 mg caffeine per can. 0 calories per can. B-vitamins. Zero calorie. Zero sugar. Taurine. Caffeine. Contains juice. In each Serving: taurine 1000 mg, caffeine 120 mg, glucuronolactone 50 mg, inositol 25 mg. Total caffeine from All Sources: 240 mg per can. www.rockstarenergy.com. Dispose of properly.