Flavor with other natural flavors. 0 sugar. 10 calories per can. 300 mg caffeine. Sugar free. Caffeine Content: 300mg/16 fl oz. COQ10. Electrolytes for taste. BCAA Aminos. rockstarenergy.com. Instagram: Rockstarenergy. SmartLabel: Scan for more food information or call 1-800-433-2652. We're here to help. 800-433-2652. Please recycle.