Food gives us the energy for everything we do in our daily lives and everything that seems beyond our control. In addition food supplies the nourishing substances needed to build, repair and maintain our organs and tissues.
All food consists of six nutrients or nourishing substances.
Protein in food can be used to supply energy but the major energy sources are carbohydrates and fats. The body uses protein and minerals to build and repair tissue. The nutrient vitamins has a twofold purpose. It aids in growth but in addition it helps protect the body from disease. We will concentrate on vitamins and proteins because they will be the subject of our investigations.