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Thyroxine (T4) | Medical Condition | Medical Knowledge Base

Knowledge Base/Medical Condition/Thyroxine (T4)

Thyroxine (T4)

Thyroxine (T4) is the most common form of thyroid hormone that is released by the thyroid gland. Once it reaches the tissues, it is converted to another form of thyroid hormone called triiodothyronine (T3), which is more active in regulating the body's chemical reactions. In tests of thyroid function, a low T4 level may...

Also Known As

Thyroxine (T4)Thyroxine T4thyroxine (t4)

🩺Medical Condition

Last updated: Jan 7, 2026

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