Susan J Hewlings PhD, RD, received her PhD in nutrition from the Department of Nutrition, Food, and Exercise Sciences at Florida State University. She received her BS in nutrition and her MS in exercise physiology, also from Florida State. She is a Registered Dietitian, a full- time professor at Central Michigan University, and Science Director for Nutrasource. She is Co-Founder of Substantiation Sciences LLC where she provides science and nutrition consulting services and medical writing for the dietary supplement and medical industries. She was formerly an assistant professor at The University of Central Florida College of Medicine where she was responsible for integrating nutrition into a new medical school curriculum. She was an assistant professor Tenured in the Department of Integrative Health Sciences at Stetson University. Susan completed a fellowship studying protein and fat metabolism at The University of Texas Medical Branch/Shriners Burn Institute. She is the author of Nutrition: Real People, Real Choices and has published multiple articles on dietary supplements, pharmacokinetics and nutrition. Dr. Hewlings is founder and director of The A.R.F. Shack 501c3 non-profit animal rescue. She is currently living with her 5 dogs in the Florida Keys. She is also a competitive ultrarunner and adventure racer.