Dr. Mullin is regarded as an authority in integrative gastroenterology and is the editor of several professional desk reference and trade books. Dr. Mullin has over 200 publications that have been cited over 3,000 times, and his publication H-index is 29. Dr. Mullin was the youngest person to receive an honorary membership from the American Dietetic Association (now The Academy of Nutrition and Dietetics) in 2009. He also received the Grace A. Goldsmith award presented by the American College of Nutrition in November 2011. This special award acknowledges a scientist who is under the age of 50 years, for significant achievements in the field of nutrition. He is a founding member and chair of the American Board of Integrative Medicine (http://www.abpsus.org/integrative-medicine) and serves on a number of nutrition exam committees and boards and has been serving as an editorial board member of several journals.