I've was diagnosed 5 years ago as borderline hypothyroid because my TSH varies between 4.1 and the highest it's been is 8.35. My endocrinologist is one who sticks rigidly to the new NHS Guidelines "You haven't even got a thyroid problem unless your TSH is over 10" I have blogged on this site before and told you all that I have numerous allergies andf have recently been diagnosed with an allergy to Corn Starch, a derivative of which is in most brands of levothyroxine. I have tried all sorts of levo including Eltroxin Oral solution which does not contain corn derivatives and I cannot tolerate this either. Rod told me last time I blogged that my body may not be converting T3, which I thought very interesting. I was given T3 once when I paid privately last year and I felt fantastic for a few days, but because it doesn't stay in your system long and my endo says it can lead to heart failure I have not been able to obtain anymore and yet I read on here that alot of you guys out there are on T3 alone - hence my confusion. I am not on any meds at all at the moment, I have been diagnosed with fibromyalgia and am in constant pain cause I can't tolerate pregabalin or gabapentin, I slept the whole of this weekend away and I feel like i'm going downhill fast. My T3, T4 and Thyroid antibodies are all normal and I just feel as we all do like I am banging my head against a wall. I am going to see my endo soon and I would like to go armed with as much info as possible, I have read that some people take nature throid, what is this and does it contain corn derivatives please? Any help that you can offer would be greatly appreciated. Many thanks in advance because I know you good people out there will be able to help me, the doctors certainly aren't!