What is Nutritional Medicine? Nutritional medicine is the practice of dietetics that deals with using food as the medicine source of healing and maintaining health. It may involve direct changes of dietary components- addition eg. probiotic yoghurt or removal eg. gluten, lactose; it may involve balancing your protein, carbohydrate and lipid profile or for a period of time, using a nutriceutical supplement eg. multivitamin, B complex. "let food be thy medicine, and medi