The blood test looks at standard blood parameters, this includes liver function, thyroid, glucose, inflammation markers, cholesterol, red and white blood cells, etc. This can therefore provide a great tool to track progress. I often see inflammation markers reduce, glucose regulation improve, cholesterol levels lower. Note: It is not a blood test that looks at “food allergy”
You don’t have to be an athlete to notice how nutrition can impact your performance. For you it could be your performance at work, in the gym, or at home with your family. Performance tells us a lot about your physiology. Whenever you feel low or are finding your performance is suffering, your motivation and desire to continue with the recommendations will diminish.