John, here is a conversion chart that will crossover almost every synthetic TM to NDT's (Armour & Westhroid to be exact). So when everything settles out, converts T4, T3, T2 & T1, this is roughly going to be the results. 50mcg or 1/2 grain is an introduction protocol at best, then should be titrated thereafter to reach optimal well being, based on labs, body temperature analysis, and feedback with how the patient feels.
Not to hijack this thread, but usually the route to treat Hashi's with thyroid meds is to titrate to dosages that will actually stop the attacks. 1/2 grain, 1 grain "usually just feed the fire for for repeat episodes. However, TPO enzyme attacks can sometimes be controlled with lower dosages and selenium combined. Anyhow, I don't have Hashi's, but have dealt with many over the years that have. Most that took synthetics didn't do well at any dosage, and on NDT's they were "usually" up to 3 grains or more to mitigate the attacks. Everyone is different, so if 50mcg of T4 does it for you all the power!!
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