You should take this test if you
- Are an adult age 40+
- Feel sluggish and fatigued
- Have difficulty losing weight
- Feel cold often
A hormone produced in the brain that tells the thyroid gland to make T3 and T4. Measurement of TSH is the foundation for assessing thyroid function.
One of the two major hormones made by the thyroid gland. It regulates metabolism, body temperature, weight, energy, and heart health.
T4 is the hormone made in the greatest quantity by the thyroid gland. It can also be converted to T3. It has the same actions as T3, but it’s not as strong.
TPOabs are unwanted antibodies made by the immune system that suppress thyroid function.