I would like to clear up some confusion and misconceptions about natural versus synthetic thyroid hormones. The argument from medical doctors that the dosage of thyroid hormone from bottle to bottle is not consistent, is perhaps the most unfounded argument against natural thyroid prescriptions. I have been using Armour thyroid, a natural thyroid hormone, for over 10 years now and have never had a single incident which would make me question this. I have never had a case where