The subtitle for this guide to natural health says it all — "A Practical A-to-Z Reference To Drug-Free Remedies Using Vitamins, Minerals, Herbs & Food Supplements." The advice given here is aimed at those who want to achieve optimum health, build up their immune systems, and increase their energy levels.

Phyllis A. Balch is a certified nutritionist, and James F. Balch is a medical doctor. They have both kept up with the latest scientific research in these areas. This encyclopedia resource is divided into three sections. The first covers the basic principles of nutrition and health with explanations of various types of nutrients, food supplements, enzymes, antioxidants, and herbs found in health food shops and drugstores. The second section addresses common disorders from acne to cancer to yeast infection, arranged in alphabetical order. Part three offers descriptions of traditional therapies and conventional treatments that can be used in conjunction with a nutritional program. Also included are lists of alternative therapy approaches. The appendix contains helpful information including how to find products listed in the book, a reading list, and a glossary.