My child has multiple food allergies (peanuts, tree nuts, dairy and eggs). I have recently heard that taking gluten out of the diet also would help "relieve" some of the autistic behaviors. Any idea on if this is true. I already have gluten free foods waiting for him to try tomorrow. I plan on going to the store and getting about 20 days worth to see if it makes a difference. Just wondering if I am giving it enough days (20) to see any differences with his behavior.