Testing and test results are critical to any integrative practice because they help form effective treatment protocols. In this interview, we profile 3 functional wellness tests with integrative clinician, professor, and researcher Dr. Oscar Coatzee. Metabolic status, gastrointestinal health, and genomics are discussed. Dr. Coatzee provides advice on how to best utilize these tests in clinical practice. About the Expert Oscar Coetzee, PhD, was born and raised in South Africa, where he completed his bachelor’s degree with majors in criminology and psychology. Coetzee holds 2 master's degrees, one in Organizational Psychology and another in Human Nutrition. He received his PhD in holistic nutrition from Clayton College of Natural Health.   Coetzee is currently a faculty member at the University of Bridgeport and is the associate director of the Nutrition Track in the Doctor of Health Science Degree. He is also an associate professor at Maryland University of Integrative Health and an adjunct associate professor at Georgetown Medical School. Courses he currently teaches include clinical nutrition, sports nutrition, pathophysiology, advanced nutritional biochemistry and assessment, functional lab assessment, and organizational development.   Coetzee is a Certified Board Supervisor for the CNS (Certified Nutrition Specialists) and is currently on the national board exam committee for the National Association of Nutritional Professionals (NANP).    About the Sponsor  For over 30 years, Designs for Health (DFH) has been at the forefront of the natural and integrative medicine movement inspired by the vision of designing a well world™ for all. With over 320 researched-based nutritional products with quality-tested formulas, DFH continues to pioneer new approaches to nutritional science through a robust innovation pipeline, paired with uncompromising support and commitment to practitioners’ ever-evolving needs