Thyroid Testing

Thyroid Testing

Before discussing the tests, we need to cover a few definitions:  T3 (triiodothyronine) – this is the active thyroid hormone.  rT3 (reverse T3) – an inactive form of T3 that blocks active T3 from reaching its receptors  T4 (thyroxine) – this is the pro-hormone that is...
Thyroid Testing

Am I Hypothyroid?

Are You Fatigued? Do You Have Low energy? Your thyroid hormone, T3 (the active thyroid hormone), has many functions. One of these is to increase the number of mitochondria (power plants) in your cells. Your mitochondria are intracellular organelles that produce ATP...