The concept of functional nutrition was originally developed as a holistic nutritional and dietary approach for optimal physiologic functioning of cells as the root cause of health and disease.1,2 Functional nutrition is an offspring of the broader discipline, functional medicine, a patient-centered approach to disease management based on the premise that every individual is different from genetics to biochemical and environmental constellations, while considering the holistic picture of physical, mental, emotional, and even spiritual health of the person.