In this overview of the most popular herbs, Hyla Cass describes the top ten herbal supplements. Among them are echinacea to boost the immune system during cold and flu season, ginseng to increase energy levels, St. Johns wort to elevate mood, and saw palmetto to prevent prostate disease. Dr. Cass also provides clear guidelines for how to safely use herbal remedies.

Covering a wide range of popular alternative medicine and health issues, User's Guides are written by leading experts and science writers and are designed to answer the consumer's basic questions about disease, conventional and alternative therapies, and individual dietary supplements.