Susan J. Hewlings Ph.D., RD

Director of Scientific Affairs, Nutrasource

Co-Founder, Substantiation Sciences LLC

Dr. Susan Hewlings received her PhD in nutrition her BS in nutrition and her MS in exercise physiology, from Florida State University. She is a Registered Dietitian, a full- time professor at Central Michigan University, and Director of Scientific Affairs 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, CBD, cannabis 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.. 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.


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