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What is the T4 hormone?

Published in Thyroid Hormone 1 min read

T4 hormone, also known as Thyroxine or tetraiodothyronine, is the main hormone released by your thyroid gland into your bloodstream. The thyroid gland also releases a small amount of triiodothyronine (T3).

Understanding T4 Hormone

T4 and T3 work together and are commonly referred to as "thyroid hormone". It plays a crucial role in regulating various bodily functions.

Here's a breakdown:

  • Main Hormone: T4 is the primary hormone produced by the thyroid.
  • Other Name: It is also known as Thyroxine or tetraiodothyronine.
  • Teamwork: T4 and T3 are partners. T3 works with T4
  • Function: It controls metabolism, energy and growth.

In summary, T4 is a critical thyroid hormone responsible for regulating metabolism and overall body function.