The fourth edition of this bestselling text will again provide the latest coverage of the biochemistry and physiology of vitamins and vitamin-like substances. Extensively revised and expanded on the basis of recent research findings with enlarged coverage of health effects of vitamin-like factors, it is ideally suited for students and an important reference for anyone interested in nutrition, food science, animal science or endocrinology. It contains a cohesive and well-organized presentation of each of the vitamins, as well as the history of their discoveries and current information about their roles in nutrition and health.<p><b>NEW TO THIS EDITION: </b></p> <ul><li>Includes approximately 30% new material</li><li>Substantial updates have been made to chapters on vitamins A, C, E, K, folate, and the quasi-vitamins</li><li>Provides checklists of systems affected by vitamin deficiencies and food sources of vitamins</li><li>Key concepts, learning objectives, vocabulary,case studies, study questions and additional reading lists are included making this ideally suited for students</li><li>Thoroughly updated with important recent research results, including citations to key reports, many added tables and several new figures</li><li>Addition of Health and Nutrition Examination Survey (HANES III) data</li><li>Updated Dietary Reference Values</li></ul>