T3 is not always converted from T4: De novo T3 synthesis

Choosing Wisely Canada, in its campaign to prevent "unnecessary" Free T3 testing in hypothyroidism, says this at the opening of their justification: "T4 is converted into T3 at the cellular level in virtually all organs." (1) Such a statement makes it seem like T3 hormone only originates from T4 hormone. Admittedly, debate and uncertainty has …

Continue reading T3 is not always converted from T4: De novo T3 synthesis

55 Steps: A movie with applications to thyroid therapy

In this 2017 movie's portrayal of a patient's true story, Elanor Riese was given medications that damaged her quality of life and made her appear more mentally incompetent than she was to begin with. Elanor initially sought psychological help because of her fear of death, but she was  forced into abusive medical treatment that limited …

Continue reading 55 Steps: A movie with applications to thyroid therapy

The blindness of TSH to the most powerful thyroid hormone.

Standard therapy for hypothyroidism today is built on a myth of TSH omniscience. "Thyroid stimulating hormone (TSH) is the most sensitive and specific test for the investigation and management of primary thyroid dysfunction" (1) If TSH is so "sensitive," then why is TSH completely blind to blood levels of the most powerful thyroid hormone, T3, …

Continue reading The blindness of TSH to the most powerful thyroid hormone.

2018 study shows T3 in upper half of reference range relieves hypothyroid symptoms

This Sept. 2018 research article proved that thyroid patients' continued hypothyroid symptoms are connected to Free T3 levels.(1) Symptom relief for thyroid patients on the standard T4 monotherapy is found "in the upper half of the FT3 reference range." Symptoms had a limited and paradoxical relationship with TSH, and absolutely no relationship to a patient's …

Continue reading 2018 study shows T3 in upper half of reference range relieves hypothyroid symptoms

Annotated bibliography of desiccated thyroid therapy articles

This public Google Spreadsheet contains a collection of all the important sources we can find PRO and CON for desiccated thyroid. The list currently includes 67 sources from the 1950s to the present, and it will grow. Here is the LINK to the "Desiccated" worksheet. It is part of a larger Google Sheets spreadsheet on …

Continue reading Annotated bibliography of desiccated thyroid therapy articles

Abbott Laboratories’ reference range normalizes lower Free T3

In late 2018, in Ontario, Life Labs changed its reference range for Free T3 (Triiodothyronine) thyroid lab tests. In our closed Canadian Thyroid Support Group where patients share their lab results and therapy progress over time, this particular Free T3 test has been behaving strangely so far, especially comparing changes from the old assay to the …

Continue reading Abbott Laboratories’ reference range normalizes lower Free T3