I am new here. A recent blood test came back as being borderline under-active. I am also B12 deficient and have coeliac disease. I went to the doctor recently due to heartburn (something I had never suffered from before), palpitations which felt like fluttering in my chest, an irritated throat and dreadful fatigue. I feel unwell most of the time and seem to feel no benefit at all from my 3 monthly B12 jags. I also have painful neuropathy in my legs (which disappeared 2 years ago when I had my loading shots) but I think I would have had to have more frequent jags to make a difference. The doctor says I have to wait a year to be tested again for my thyroid, however I I feel so tired that I wish she would treat me, just to see if it would help. I feel helpless as she has resisted my attempts to increase my B12 so I don't hold out much hope for persuading her re my thyroid. Is there anything I can do myself to help with an under-active thyroid. Thanks for reading this long post.