Hey, have you read "Why do i still have thyroid symptoms when my lab tests are normal" by Dr Kharrazian?

Also have you thought about changing your diet and going wheat free? Here are some links
http://drknews.com/
http://chriskresser.com/the-gluten-thyroid-connection
If you have itunes etc, listen to the paleo podcast #98 or 99 (have to go n check) where Rob discusses the book "wheat belly"
Underground wellness radio interview with Dr Tom O'bryan (UWR is a bit too over the top for me but this one was recommended to me by my physio)