100% Natural herb tea. A perfect blend bursting with the natural flavor of black raspberries, strawberries, blueberries, red raspberries, cranberries, and even cherries! Plus flavorful herbs like hibiscus, rosehips, and chicory give this tea the extra zestiness it take to be a Zinger, Wild Berry Zinger is delicious hot and outrageously refreshing iced. And, like all Celestial Seasonings Herb Teas, it's 100% natural and caffeine free. this product contains all-natural ingredients and flavors, and no artificial colors or preservatives. Gluten free.