I also have Hashimotos and am using Armour. I was diagnosed in Sept. 2003. My endo explained the symptoms of using too much Armour, gave me a prescription for the antidote, and then explained how to "build" my dose of Armour every 7 to 10 days. I take 75mg in the AM, 75mg in the PM, and 30 mg in the late evening. It took about a week to start noticing the difference in my energy levels. My basal temp is up a little over 1 degree lately...now 97.5. The About.com thyroid website is wonderful for info about thyroid conditions. I agree about not taking vitamins containing iron within 4 hours of taking your meds. Calcium also affects the ability to absorb your meds. You might want to ask your doctor about splitting your dose...the T3 part in the Armour wears off after about 6 hours. A nice side effect of all this too...so far I have lost 8 lbs!!!