Good food is a basic need of human body. It is of prime importance in the attainment of normal growth and development. The role of nutrition food cannot be neglected in the promotion of health and prevention of disease.The human body can be compared to a machine, Just as an engine burns up coal or oil in order to generate its energy, so the human body requires food in order to produce the forces which keep the heart beating, the lungs breathing and the limbs moving. But the discovery of vitamins at the turn of the present century has 'rediscovered' the science of nutrition.