Thanks for posting this article. The study was very small (81 levothyroxine users and 364 nonusers) so more research is needed. Also, it could be the thyroid condition itself causing the bone loss and not Levothyroxine. This is of concern to me, since I had my thyroid removed and have taken this medication for many years, and I have severe osteoporosis. Not taking the thyroid med is not an option for people who require it, but users should work with their doctors to take the lowest possible dose.

@normahorn thanks for letting us know about this. I tried to find the actual study and it does not appear to be published yet. All I turned up with my studies are news releases. In those it mixes up levels of thyroid hormones with TSH levels. TSH is the signal to the thyroid gland effecting the production of the actual thyroid hormones (hope I got that right). Anyway there are important distinctions to be made. Were the actual T3 and T4 hormones part of the study are just the TSH?

With more info it might be possible to speculate on how this news might just maybe matter to someone taking thyroid hormones. Myself I'm using the Armour Thyroid product but if this is true for the synthetic hormone product it might be relevant to the more natural approach also.

Anyway thanks for this and if you see the actual study come out please let us know.

@normahorn @ripley While trying to find the paper about the Levothyroxine and bone loss I came across this one about Levothyroxine and muscle loss in the quadriceps. At least one of the same researchers was in both these studies. Something going on here with Levothyroxine or just manipulating thyroid hormones in general?
https://pmc.ncbi.nlm.nih.gov/articles/PMC10088133
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