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How does Armour suppress TSH levels?

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Old 01-04-2007, 06:25 PM   #1
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How does Armour suppress TSH levels?

I keep reading and hearing that Armour suppresses TSH levels, but cannot find a really clear answer as to "why and how" it does. Can anybody help!

Last edited by TinyTot2; 01-04-2007 at 06:43 PM.

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Old 01-05-2007, 08:22 AM   #2
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Re: How does Armour suppress TSH levels?

Tiny, I wish I knew the definitive answer. My totally lay and unofficial theory is that the T3 interrupts the hypothalamus/pituitary/thyroid feedback loop by letting the hypothalamus know that there's adequate circulating T3; the hypothalamus then sends pituitary the message that no more TSH is required so TSH production shuts down. All I know is that this is a very common chain of events when anyone takes T3, and it's a huge mistake for an MD to assume any of us is truly hyperthyroid as long as the FT hormone levels are well within range.

I have seen Boardies mention that they contact Armour when they have questions about it they can't find answers to anyplace else, and the manufacturer has been most helpful to them. Maybe you could ask them. What better place?

I promise if I run across any reliable explanation for this phenomenon, I'll post it here. If you contact Armour and get an answer, please do the same, OK?

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