Diet Sierra Mist Lemon-Lime Soda. With other natural flavors. 0 calories per 12 fl oz serving. 100% natural flavors. Caffeine free. Contains no juice. Sugar free. Very low sodium, 35mg or less per 240ml (8 fl oz). Please recycle. Best taste drink by date on bottle. Product questions 1-800-433-2652. Sierramist.com