MORTON GROVE, Ill., Jan. 18, 2013 /PRNewswire/ -- Lifeway Foods, Inc., (NASDAQ: LWAY), a leading supplier of cultured dairy products known as kefir , announced today it is running a pop-up frozen kefir shop at the Miami Lounge area of the legendary Sundance Film Festival from January 18th through the 20th.  Lifeway Foods' frozen kefir shop will serve both the original and mango flavors, with toppings including blueberries, Udi's granola, and chocolate chips. 300 VIP gift bags containing lip balm, hand sanitizer, and VIP coupons for various Sundance-related events will also be provided.