If you are still wanting to test for gluten sensitivity at home, you might want to check out www.enterolab.com
. They send you a container for you to collect your own stool sample and return it to their lab. If you feel better when avoiding gluten, I would probably just stay on a gluten free diet and not worry about testing. Dr. Fine from enterolab looks for anti gliadin antibodies in the stool. It is more sensitive than a blood test. I think his method has been criticized because it gives more positives than conventional testing. It seems better to me though. You will know if your body is reacting to gluten and you can avoid it, hopefully before any permanent damage is done. To get a diagnosis from conventional testing you have to have a positive blood test and an intestinal biopsy that shows damage to the villi.