I'm so happy you found a doc to help you with your iodine.
I order everything from Amazon.Com. They have the best prices and free shipping on orders over $27. I is impossible to find all of this stuff locally. Yes I'm in the USA and I distill all of our drinking water with a home distiller from Amazon.Com.
See my documents. I have some good references for Graves Disease + Hypothyroid: http://goo.gl/G4dLP