Dr. Carol S. Johnston is Professor and Associate Dean of Faculty Success in the College of Health Solutions at Arizona State University. She graduated with a B.S. in Nutrition from the University of Michigan-Ann Arbor and earned her M.S. in Nutrition and Ph.D. in Biological Sciences both from the University of Texas-Austin. She has published over 150 research articles and book chapters focused on the impacts of functional foods, botanicals, and nutrients on human health outcomes. She is a registered dietitian and an expert in vitamin C metabolism, the medicinal use of vinegar, high protein/low carbohydrate diets for weight loss, and vegetarian diets. She is often quoted in popular magazines and news outlets and is listed among the top 1% of cited scientists worldwide. She has held elected positions on Expert Committees of the U.S. Pharmacopoeia in Washington DC. She has been recognized on multiple occasions for her teaching excellence at ASU, and she has received several national awards from the American College of Nutrition for her professional and academic accomplishments.