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From the authors of America's number-one health book, Prescription for Nutritional Healing, comes an easy-to-use guide to today's most effective nutritional supplements. This handy and concise A-to-Z guide provides you with all the information needed to design your own personalised nutrition program - from vitamin C to St. John's wart to zinc. It includes vital pointers on understanding, shopping for, and using nature's most powerful healers.