Although there is no official definition of functional foods, it is generally considered that they are a group of foods which provide physiological benefits beyond those traditionally expected from food. Milk proteins have a great potential use as functional foods. It is not a one-nutrient food, nor is its impact restricted to one condition such as osteoporosis. Its many bioactive components are only just beginning to be defined and explained. Furthermore, healthy foods, nutraceuticals and food for specified human use, are one of the fields in constant growth in the food industry, as well as...