Kefir is one of the traditional fermented milk products originated from the Caucasus region in Europe. It has been an essential food enjoyed by the locals in their dietary life style. While yogurt is made only from fermented lactic acid bacteria, kefir is made from fermented lactic acid bacteria and yeast working together. This dietary supplement contains freeze-dried kefir powder, oligosaccharides and dietary fiber in tablet form. Please, take it for the optimal nutritional benefits.