Many people want to take Armour because it is natural and the perception
is that natural
is better than synthetic. SOME people benefit from
Armour because the T3 in it boosts the concentration of T3 in their system.
Unless you have a problem converting T4 into T3, taking Armour can give you too much T3, so it is not suitable for many people to take it. Doctors don't like it, because most people do not need it, and there are consistancy issues from batch to batch.