Grapefruit flavor with other natural flavors. 20 calories per can. Zero sugar. Taurine. B-Vitamins. 240 mg caffeine. Caffeine Content: 240 mg/16 fl oz. rockstarenergy.com. SmartLabel: Scan for more food information or call 1-800-433-2652. Instagram Rockstarenergy. We're here to help. 800.433.2652. Please recycle.
