This book deals with important aspects of nutrition to help the reader to be aware of the importance of nutrients and measures to maintain good health through consumption of appropriate quantity and quality of food as well as modifying diet patterns to prevent nutrition and diet-related problems. The target audiences for this book are the undergraduate and postgraduate students who have Nutrition as part of their syllabus. It caters to those who have not been exposed much to the subject but need to have knowledge about nutrition in their own fields including nursing and medical students. It can also serve as a reference book for professionals and members of a health conscious general public. This book attempts to bring updated and recent information in as simple a manner as possible.