The process by which various substances in food are transformed into tissues that provides energy for a wide range of mental and physical activities to support and sustain life and health is called human nutrition. Good nutrition is important for physical growth and biological development. A balanced diet provides the human body with optimum energy. This directly impacts the physical performance of the body. Unbalanced nutrition can result in malnutrition. This can be further divided into three categories- undernutrition, micronutrients-related malnutrition and obesity. This book provides comprehensive insights into the field of human nutrition. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. The extensive content of this book provides the readers with a thorough understanding of the subject.