Flavor with other natural flavors. B-vitamins. Taurine. Caffeine. Contains 2% juice. Partially produced with genetic engineering. In Each Serving: taurine 1000 mg, caffeine 80 mg, glucuronolactone 50 mg, inositol 25 mg. Total caffeine from all sources: 160 mg per can. Rockstarenergy.com. Pina colada energy. Dispose of properly.