Designer Foods means any food or dietary component that provide a health benefit beyond basic nutrition. One or more nutrients have been modified in natural food to produce a designer food; means the composition of products are changed according to our need. Now a day's Food and Nutrition science has moved from identifying and correcting nutritional deficiencies to designing foods that promote optimal health and reduce the risk of disease. Animal products enriched with CLA and Omega-3 fatty acids have beneficial health effect in human beings. Multiple health benefit in a single designer food is possible to produce.