Do you know What is Kefir and Yogurt. If you are looking for the definition of Kefir and Yogurt or want to know what is Kefir and Yogurt?, then this is where you will fetch your answers. Well, in simple terms Kefir is fermented milk made by using kefir grains containing benefiicial yeast as well as probiotic bacteria found in the yogurt. While Yogurt, in simple terms, is the bacterial fermentation of milk which is often sweetened or flavored. Lactobacillus & Streptococcus are the vital bacteria's for the yogurt's thick texture and consistency. Both these products are unique in their own ways. Kefir is a Not Available colored dairy product and Yogurt is White 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. Kefir bears Yeasty flavor with a Milky aroma whereas Yogurt has Creamy flavor and a Fresh aroma. The color, flavor and the aroma of these products depict their origin. Kefir originated in North Caucasus regions, whereas origin of Yogurt is traced back to Central asian countries like kazakhstan, kyrgyzstan, tajikistan.