Janet Zand, ND, OMD, LAc, is the cofounder and formulator of ZAND Herbal Formulas. She is a nationally respected author, lecturer, practitioner, and nutritional product developer whose work has helped thousands of people achieve better health. She is a naturopathic physician, a doctor of oriental medicine, and a board and nationally certified acupuncturist. Ms. Zand lectures across the country, speaking on natural medicine to both health-care professionals and the general public. Allan N. Spreen, MD, CNC, received his medical degree from East Tennessee State University Medical School. Dr. Spreen later established a successful nutrition therapy practice in Jacksonville, Florida, where he provided alternatives for patients intolerant of or unsuccessful with conventional drug therapies. He then went on to found The Nutrition PhysicianTM, a nutrition therapy information service that offers guidance for those seeking drug-free nutritional alternatives. He now writes, speaks, and consults full time to disseminate nutrition therapy information. Dr. James B. LaValle, RPh, DHM, ND, CCN, is a nationally recognized figure in the field of natural therapeutics. He served as an Adjunct Associate Professor at the University of Cincinnati College for fourteen years and currently serves as Adjunct Professor in Metabolic Medicine at the University of South Florida Medical School. He has written and developed hundreds of articles and seminars for health-care professionals and is the author of seventeen books.