Naturally and artificially flavored sparkling juice beverage from concentrate. 80 calories per can. Caffeine Content: 46mg/8 fl oz.; 92mg/16 fl oz. Caffeine. Kickstart Energizing fruit punch with just the right amount of kick. MountainDew.com. We’re here to help. MountainDew.com or 800.433.2652 Please recycle.