Rockstar® Energy Drink (4 - 16 Fluid Ounce) 64 Fluid Ounces 4 Pack Aluminum Cans

B-vitamins. Taurine. Caffeine. In Each Serving: Taurine 1000 mg, guarana seed extract 100 mg, caffeine 80 mg, glucuronolactone 50 mg, l-carnitine 25 mg, inositol 25. Total Caffeine from All Sources: 160 mg per can. www.rockstarenergy.com.