I have a couple of questions regarding people’s experience with Armour Thyroid after reformulation. A quick history: I have MS (diagnosed in 1981) and Grave’s Disease (hyperthyroidism) (diagnosed in 1986). Thyroid ablation with RAI in 1987. On Synthroid for over a year during which I was basically non-functional. Started Armour in 1988 on the suggestion of my internist. I immediately started feeling better, but at a certain point the T3 in the Armour began to be too overstimulating while my T4 remained too low. Added 37 mcg of Synthroid to the Armour, which helped a lot. Stayed happily on Armour until their reformulation, then Naturethroid until that went south. On NP for a year and a half after that until their recalls and finally landed back on the reformulated Armour plus Synthroid.
For everything but the Armour, my TSH stayed suppressed (well below 1) with my Free T3 near the top of the normal range and my Free T4 slightly above the midpoint of the range. After a year and a half on Armour, my TSH has skyrocketed (last test a month ago was 15) while both Free T3 and Free T4 were just barely above the lower end of the range. All other blood tests were normal except for a low iron (but not Ferritin) level.
I am puzzled as to why on essentially the same dose of Armour as I had been on on both Naturethroid and NP, my thyroid levels plummeted. It seems as though I am somehow not absorbing the Armour as well as the other two formulations. I have wondered if the Armour fillers make the tablets more difficult to absorb or if it is something else. The only change to my health is that about two years ago I began to develop acid reflux, which turned into full-blown GERD about a year and a half ago. I ended up using a significant amount of antacids (Rolaids) although always after dinner and hence never near my once daily am dose of thyroid, About three months ago my doctor prescribed Pepcid (an H2 blocker) for the GERD, which I suspect also may make my Armour harder to absorb.
I’m wondering if anyone has had a similar experience with Armour after reformulation? Has anyone had any luck crushing the tablets to make them easier to absorb? Or taking them sublingually? I am also wondering if absorption is the issue, would raising my thyroid dose allow more to get into my system? Finally, how does B12 (or the lack there of) affect the thyroid?
Thanks in advance!