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Regan Bailey, Ph.D., M.P.H., R.D., Scientific Consultant (Contractor)

Regan Lucas Bailey, Ph.D., M.P.H., R.D., a Nutritional Epidemiologist at the Office of Dietary Supplements since 2009, has left the federal workforce to join the faculty of the Department of Foods and Nutrition at Purdue University as an associate professor. Dr. Bailey continues her work with ODS as a part-time consultant, including serving as coordinator of the 2016 and 2017 Mary Frances Picciano Dietary Supplement Research Practicum.

The overarching goal of her research program is to prevent or lessen the risk of chronic disease through nutrition. Dr. Bailey’s specific research interests include: nutritional epidemiology; one-carbon metabolism, particularly the role of B vitamins; dietary assessment methods and measurement error; dietary patterns; dietary supplements; nutrition screening; and, nutrition and aging, particularly as it relates to reducing the risk of cognitive impairment and osteoporosis. She has considerable expertise working with the National Health and Nutrition Examination Survey.

Dr. Bailey is a member of the American Society for Nutrition and the Academy of Nutrition and Dietetics. She is on the executive board of the Nutrition Epidemiology Research Interest Section of the American Society for Nutrition. She serves as an advisor to the International Life Sciences Institute-North America both on the Fortification Committee and the Food, Nutrition & Safety Program.

Dr. Bailey received her Ph.D. in Nutrition Science from The Pennsylvania State University. Her doctoral research, funded through a Ruth L. Kirschstein National Research Service Award from the National Institute on Aging, helped to characterize nutrition risk in rural older adults through the development of an overall dietary screening tool. Dr. Bailey completed an M.P.H. from the Bloomberg School of Public Health at Johns Hopkins University and is certified in public health. She is a registered dietitian who completed a dietetic internship and M.S. in Food and Nutrition from the Indiana University of Pennsylvania.