Traditionally, the free thyroxine index, sometimes called a "T7" is derived from the product of a T3-uptake test and a TT4 measurement, often expressed as a % uptake (adsorbent bound counts ...
Armour Thyroid has a different balance of thyroid hormones than humans. This difference can lead to higher T3 levels, which may affect the baby's brain development. Using Armour Thyroid alongside ...