Comprehensive Thyroid Panels to T3, T4, TSH, Reverse T3 and Thyroid antibodies


Low thyroid function may result in fatigue, dry skin, and excessive weight gain. Evaluation of thyroid function includes the following:

  Free Thyroxine (T4)
Assess the quantity of T4 available to the cells and tissues.
  Free Tri-iodothyronine (T3)
Measures the quantity of the active form of the hormone T3, available to the cells and tissues.
  Total Thyroxine (T4)
Assess the entirety sum of T4 produced by the thyroid gland
  Thyroid-Stimulating Hormone (TSH)
Assess thyroid function in general.

Some of the recommendations for this test is to not take your supplements on the day of the test, but to keep taking your medications as prescribed. It does not require fasting

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