This course introduces the basics of nutrition science and its relation to other disciplines. It clearly defines components of food and gives an overview of the integrated physiological needs and functions of carbohydrates, fat, protein, water, vitamins and minerals. It also helps students understand how are these nutrients being metabolized and how they affect human body in health and disease. The course gives the basic guidelines for planning healthy diet to avoid malnutrition, get energy balance, and manage body weight.