Nutrition is defined as the science of interaction between nutrients in relation to an organism’s growth, wellbeing and disease. This book on nutrition and dietetics discusses topics related to nutritional practices and health. Dietary patterns and fitness levels either alleviate or accelerate disease present in the human body, and the pattern of interaction between nutrients is vital for study of growth and development of the body in general. This book provides significant information of this discipline to help develop a good understanding of nutrition, dietetics and related fields. It attempts to understand the multiple branches that fall under this discipline and how such concepts have practical applications. This book provides a lucid framework that can be very helpful for students and researchers in the field of dietetics, nutrition and microbiology.