T3 (Triiodothyronine)

T3 is one of the thyroid hormones that plays a key role in regulating your metabolism, which controls how your body converts food into energy. Thyroid hormone consists of both T3 (active) and T4 (largely inactive), which together influence metabolic processes.

Role of T3: T3 is critical for normal cell function and energy production. It also helps regulate brain development in infants and supports various bodily functions in adults. T3 is converted from T4 in the body and has a more direct effect on metabolism.