Nutrition is the science of food and its relationship to health. All the topics related to Nutrition Science with attractive illustrations and latest information are discussed in this multi colour edition. This textbook covers syllabi of basic and applied nutrition science of all Indian universities. Nutrients and the effect of deficiency are discussed in detail. Antioxidants which are essential for preventing degenerative diseases are explained well in this book. The chapter ‘Nutrigenomics’ explains how dietary chemicals affect the balance between health and disease by altering genetic makeup. Nutrition education through computers are elaborated to meet the present day needs. Challenges of Millennium Development Goals, National nutrition policies and organisations and programmes related to Nutrition are discussed. This book serves as textbook for basic as well as applied nutrition science for those specialising in Nutrition Science at graduate and postgraduate level. This book is valuable for medical and paramedical students and for administrative authorities who are interested in getting authentic information on Nutrition Science.