W hat is Functional Diagnostic Nutrition® (FDN)? FDN is a type of detective work that seeks to identify the underlying causes of disease instead of treating symptoms. Stop Chasing Symptoms and Get to The Root Cause! I understand that symptoms must be addressed. You want relief, but you also want to know why you have symptoms and resolve their cause. My approach is to assess underlying function and discover the underlying causes of your health problems. This approach leads to long-term resolution of symptoms, not just temporary relief. Lab Testing is a great way to discover hidden internal stressors that are at the root cause of your symptoms . As a FDN Practitioner, I use non-invasive laboratory tests to find hidden internal stressors and their root causes. With this step-by-step method I can assess the functions and pathways of the Hormone, Immune, Digestion, and Detoxification systems. Basically, everything we need to have running smoothly for op...