Nutrition is a vast field of study that attempts to understand and analyze the reactions of different nutrients and substances among different living organisms. This book is a comprehensive source of reference on nutrients, their structures, synthesis, etc. It discusses the fundamental as well as modern concepts related to the discipline of nutrition such as types of macronutrients and micronutrients, different nutrient sources, metabolic disorders, nutrient requirements, nutritional supplements, etc. In this book, using researches and examples, constant effort has been made to make the understanding of the field of nutrition and metabolism as easy and informative as possible, for the readers.