Meet our experts


Nathan Morris, M.D.

Nathan Morris, M.D. is a family practice trained functional medicine practitioner.

He sees complex patients of all ages at his Good Medicine practice in Oxford, Ohio, and specializes in determining connections between seemingly disparate clinical observations, approaching the body as an integrated whole.

Dr. Morris applies genetic testing as a tool to objectively guide personalized approaches to detoxification, age-related cognitive function, and cellular health.



Kelly Heim, Ph.D.

Kelly Heim, Ph.D. is a nutritional pharmacologist in research and development at Pure Encapsulations®.

He is a graduate of Dartmouth Medical School, where he conducted functional genomics research.

His publications and lectures have highlighted evolving concepts in nutrigenomics, nutritional endocrinology and polyphenol biochemistry.

Dr. Morris is a Pure Encapsulations Medical Advisor. He has been retained as a consultant in advising Pure Encapsulations. He is compensated for this service.