Natural flavor. 0 calories. Sugar free per 8 fl oz serving. Contains tea goodness tea flavonoids. Contains 80 mg tea flavonoids per 8 fl oz serving. For refreshment that's bursting with flavor, the experts at Lipton have combined green tea with great tasting flavor combinations. The result is a delicious and refreshing iced tea infusion that you can enjoy anytime, anywhere - all with zero calories per 8 fl oz serving. Made with real tea. Creates perfect iced tea every time! Caffeine level - 15 mg per 8 fl oz serving. One packet of Iced Green Tea To Go Citrus is 0 calories - makes 16-20 fl oz.