Nutrition is the branch of science that studies the effect of nutrients present in food on the growth and health of living organisms. Nutrition improves and maintains health and metabolism. Health is the ability of human beings to adapt and manage themselves when subjected to a change in their surroundings whether physical, mental or social whereas metabolism is the sum of all the reactions taking place inside a human body. The objective of this book is to give a general view of the different areas of nutrition and metabolism. It covers in detail some existent theories and innovative concepts revolving around this field. A number of latest researches have been included in this book to keep the readers up-to-date with the global concepts in this area of study. This book, with its detailed analysis and data, will prove immensely beneficial to professionals and students involved in this area at various levels. Those in search of information to further their knowledge will be greatly assisted by this book.