Do you know What is Eggnog and Kefir. If you are looking for the definition of Eggnog and Kefir or want to know what is Eggnog and Kefir?, then this is where you will fetch your answers. Well, in simple terms Eggnog is a Dairy based beverage, made from milk, sugar, and whipped Eggs. 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. Eggnog is a Cream 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. Eggnog bears Creamy, Thick and Vanilla flavor with a Sour smell aroma whereas Kefir has Yeasty flavor and a Milky aroma. The color, flavor and the aroma of these products depict their origin. Eggnog originated in England, whereas origin of Kefir is traced back to North Caucasus regions.