Do you know What is Milk and Kefir. If you are looking for the definition of Milk and Kefir or want to know what is Milk and Kefir?, then this is where you will fetch your answers. Well, in simple terms Milk is an opaque white fluid which is enriched with fat and proteins produced by mammals for the nourishment of the young ones! While Kefir is fermented milk made by using kefir grains containing benefiicial yeast as well as probiotic bacteria found in the yogurt. Both these products are unique in their own ways. Milk is a White colored dairy product and Kefir is Not Available colored. The food gets it color dependent on the ingredients used and the preparation methods employed. Sometimes artificial food colors are added to give the dairy product, a gourmet look. Apart from their color what distinguishes them is their flavor and aroma. Milk bears Milky flavor with a Milky aroma whereas Kefir has Yeasty flavor and a Milky aroma. The color, flavor and the aroma of these products depict their origin. Milk originated in East European countries- Bulgaria, Czech Republic, Ukraine, Southwest Asian countries- Armenia, Azerbaijan, Georgia, Turkey, whereas origin of Kefir is traced back to North Caucasus regions.