I had Graves disease too, that's why I suggested that. I also have a problem with my homocysteine level which, if you haven't been tested for that, you would want to be tested for it. There is another link here that Rose has provided and contain a lot of useful information about it. The symptoms are vast and can be very damaging. I would suggest reading the links if you haven't already done so. I take vitamins with folic acid and b12 and hopefully when I go back to the hematologist my levels will be reduced. But I am feeling much better since I started taking them. Good luck and feel better.