T3 is an active thyroid hormone that your body creates by converting thyroxine (T4) into triiodothyronine. The 3 and 4 in the names represent the number of iodine atoms it has.

Triiodothyronine, or T3, is an important thyroid hormone that helps maintain muscle control, brain function and development, heart and digestive functions. High or low T3 levels may indicate an ...

The thyroid gland uses TPO along with iodine to generate the thyroid hormones triiodothyronine (T3) and thyroxine (T4). Together, these hormones regulate body temperature, heart rate, and metabolism.

Your thyroid produces thyroxine (T4), a generally inactive hormone, and triiodothyronine (T3), a hormone that is highly active. About 80 ...

The thyroid makes a protein called thyroglobulin that helps make thyroid hormones thyroxine (T4) and triiodothyronine (T3). Your Thyroid and Immune System Antibodies ...

Hypothyroidism and hyperthyroidism both occur when the thyroid gland does not ... is produced by the pituitary gland. TSH triggers the thyroid to produce thyroxine (T4) and triiodothyronine (T3).

Thyroid and its Functions Thyroid is a small gland located at the base of the neck. This butterfly-shaped gland produces two hormones: triiodothyronine (T3) and thyroxine (T4).

Iodine is a nonmetallic basic element and an essential mineral for the human body. It is pivotal in the synthesis of thyroid hormones, triiodothyronine (T3) and thyroxine (T4), and hence essential ...