Book DescriptionWritten by two experts in the field, this layperson's guide to the nutritional options and substances that improve health helps readers make informed decisions about maintaining and strengthening their bodies. Organized in an A-to-Z format, more than 500 extensively cross-referenced entries profile: What vitamins, minerals, and supplements are and how they work in the body Myths and quackery surrounding some of the substances Nutritional analyses of diet, body-building, andspecial supplements Vitamins as a treatment for physical and mental disease and disorders Pioneers in the field and their theories of nutrition, and much more. Various charts, tables, and appendixes highlight: The latest and most complete information on FDA operations and regulations The composition of the new food label Illnesses and injuries associated with the use of selected dietary supplements The interaction between certain drugs and nutrients.