Earl Mindell, R.Ph., Ph.D. is an internationally recognized expert on natural health and nutrition and the author of more than 30 books, including the international bestseller The Vitamin Bible, as well as The Herb Bible, The Supplement Bible, and The Allergy Bible. He is a popular lecturer and well-known authority on nutrients and natural health.

Virginia Hopkins, M.A. has written and co-authored more than 30 books on alternative health and nutrition, including the bestselling What Your Doctor May Not Tell You About Premenopause and What Your Doctor May Not Tell You About Menopause (with John Lee, M.D.). She is the editor of the Virginia Hopkins Health Watch, a widely read e-mail newsletter.

To the surprise of many people, several pounds of good bacteria populate our digestive tract, help us maintain normal digestion, and protect us against stomach flus, candida overgrowth, and many other types of infection. In this concise book, internationally recognised nutrition expert Dr. Earl Mindell explains the many health benefits of probiotics and how to use them to enhance health.