Lifeway Tart and Tangy Mango Kefir, 1 pint -- 8 per case. Lifeways Frozen Kefir is a creamy, delicious dessert packed with 10 live and active probiotic cultures. This tart and tangy treat is high in protein and calcium, and its made from all natural ingredients. All-Natural 99% Lactose-Free Gluten-Free 10 Probiotic Cultures 90 Calories Per Serving 1 g of FatLifeway Kefir