what is fermented kefir
Kefir or kephir (/kÉËfir/ kÉ-FEER), alternatively milk kefir, or bÃºlgaros, is a fermented milk drink that originated in the north Caucasus Mountains made with kefir grains, a yeast/bacterial fermentation starter. It is prepared by inoculating cow, goat, or Sheep milk with kefir grains.