Paul Saladino· MD
so the PEC 400 test is in our opinion the most specific measure or the tool for measuring the intestinal permeability there are other measurements in the marker there is a simple blood test as well and there are the so-called differential sugar absorption test they are intended to measure the same thing but they're not as specific and are influenced and in the first place they are influenced by the diet the patient is following and in the first place it is influenced by glucose fructose and things like that so it is really not a good idea to use other tests if you are if you want to do testing in in a specific diet