Vitamin and Health Encyclopedia, the: The Handbook of Vitamins for Your Healthy Life
Dr. Ritchason has been in the health field since 1963 and has lectured nationally and internationally on herbs, vitamins, minerals, nutrition, and Iridology. He graduated as a Naturopathic Doctor from the Arizona College of Naturopathic Medicine, a branch of the American University of Natural Therapeutics and Preventive Medicine. He is a member of the National Health Federation.