Do you know What is Custard and Yakult. If you are looking for the definition of Custard and Yakult or want to know what is Custard and Yakult?, then this is where you will fetch your answers. Well, in simple terms A dessert or sweet sauce made with milk and eggs, or milk and a proprietary powder. While Yakult is a probiotic dairy product made by fermenting a mixture of skimmed milk with a special strain of the bacterium Lactobacillus casei Shirota. Both these products are unique in their own ways. Custard is a Yellow colored dairy product and Yakult 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. Custard bears Thick flavor with a Milky and Sweet aroma whereas Yakult has Refreshing, Sweet and Tangy flavor and a Milky aroma. The color, flavor and the aroma of these products depict their origin. Custard originated in France, whereas origin of Yakult is traced back to Japan.