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    Rockstar Energy Drink, Revolt Killer Grape

    With other natural flavors. 240 mg caffeine per can. Dispose of properly. B-Vitamins. Taurine. Caffeine. Contains 0% juice. www.rockstarenergy.com. In Each Serving: Taurine 1000 mg, caffeine 120 mg, Glucuronolactone 50 mg, inositol 25 mg. Total caffeine from all sources: 240 mg per can.