Dr. Moss graduated from the University of Michigan Dental School in 1974 and practiced dentistry in Grand Rapids, Michigan up to 1985. For the last 27 years he has operated Moss Nutrition Products, which supplies the Moss Nutrition Professional Line of supplements to practitioners. In addition to his duties at Moss Nutrition, Dr. Moss has, for many years, written newsletters of review and commentary on different subjects relating to functional medicine and clinical nutrition that are regularly featured in the journals Nutritional Perspectives and Original Internist. Finally, Dr. Moss is a regularly featured speaker, presenting continuing education seminars at many symposia throughout the country.