Global Kefir Market By Type (By Flavor , Regular , Flavored , By Type , Frozen Kefir , Organic Kefir , Low Fat Content Kefir , and Greek Kefir), By Application (Dietary Supplements , Sauces and Dips , Drinks and Smoothies , and Pharmaceuticals), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029