B-vitamins. Taurine. Caffeine. Zero calorie. Zero sugar. With other natural flavors. 240 mg caffeine per can. Contains 2% 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. Recycle. Dispose of properly.