The thyroid gland produces the hormone triiodothyronine (T3), which is mostly in charge of controlling the body’s metabolism. Together with thyroxine (T4), it is one of the two primary thyroid hormones. Enzymes work to convert T4 into T3, with the thyroid gland secreting a lower amount of T3 directly.

Regarding its physiological effects, T3 is essential for many different body processes, such as:

Metabolism: T3 affects metabolism throughout the body by controlling how quickly cells turn oxygen and calories into energy.
Development and growth: T3 is necessary for healthy development and growth, especially in the early years of life.
Heart function: T3 influences contractility and heart rate, which aids in controlling cardiovascular function.
Body temperature: T3 has an impact on thermoregulation and aids in preserving