Nutrition is the science that studies nutrients present in the food and the effects of food components on the metabolism, growth and health of humans and animals. It also focuses on how diseases and certain medical conditions can be prevented or limited with a healthy diet. The aim of this book is to present researches that have transformed this discipline and aided its advancement. In this book, using case studies and examples, constant effort has been made to make the understanding of the subject of nutrition science as easy and informative as possible, for the readers.