I am currently in France for several months but I am starting to notice Hypo symptoms getting worse - Plantar (I mentioned in another post) and bad aching joints, cramp plus today I feel quite breathless. I just phoned my doctors in UK and asked for my last blood test results so I can take them to a Doctor here but they couldn't find them, only the ones previous to them.
Results of test in February 2013
Free T4 12.2 (Range 6.3 - 14)
TSH 0.92 (Range 0.3 - 5.6)
B12 441 (Range 180-914) - this was 1 month after B12 jab!!
I am on 50m of Levothyroxine and when I had the above test I had been on it for 10 months - do these readings look OK ? I have started supplementing my B12 jabs with tablets and am waiting for a delivery of Vit D to see if any of that helps.
Written by
Loobs39
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I am not medically qualified but your B12 is still too low and you should be aiming towards the upper level. You can buy sublingual or ordinary tablets of B12 (it must be methylcobalamin) from Amazon:-
Although your TSH is low, sometimes it really isn't a guide to how you are feeling. Some GP's believe it will give us heart problems if we have a very low TSH which is untrue, unless you are frail with a heart problem. 50mcg of levothyroxine is usually a starting dose and should be increased after 4 to 6 weeks.
Read the first question in this link and the other questions are interesting too.
Thank you for your reply. I am unsure about methylcobalamin - the B12 I am taking as a Holland and Barrett timed release caplet of 1000 ug/pg?? It states the dose is 40,000% of RDA. Is this adequate do you think or is the methylcobalamin really vital - it doesn't mention this on the blurb??
The most common form of vitamin B12 is called cyanocobalamin. However, over the last ten years, a number of central and peripheral neurological diseases have been linked to a deficiency of a very specific cobalamin, the methylcobalamin form, that is required to protect against neurological diseases and aging.
So if we buy B12 vitamin it is preferable to be the Methylcobalamin form and not the cyanocobalamin.
That is one thing I did know because it was one of the alternatives put forward to stop badger culling!! The scientists reckoned that if the badgers had doses of B12 they would not get TB and therefore not pass it onto cows (that's simplifying it but you get the idea). There was no danger of them having too high a dose because, as you say, it is not possible to overdose on it - problem was how to ensure they received enough. The idea was eventually abandoned. Wow, for the first time on this website I actually know something useful. Thanks again.
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