Alan Christianson, NMD, author of the New York Times bestsellers The Adrenal Reset Diet, The Metabolism Reset Diet, and The Thyroid Reset Diet, is a naturopathic medical doctor who specializes in natural endocrinology with a focus on thyroid disorders. He founded Integrative Health, a physician group dedicated to helping people with thyroid disease and weight-loss resistance regain their health. He has been named a Top Doctor in Phoenix magazine and has appeared on national TV shows and in numerous print media. Dr. Christianson lives in Phoenix with his wife and their two children.