Chemical Nature: The L-form of triiodothyronine (T3), the active thyroid hormone.
Uses: Primarily used for treating hypothyroidism and severe conditions such as myxedema coma.
Mechanism: Has a direct effect on metabolism, boosting energy production and fat breakdown.
Levothyroxine (T4)
Nature: A prohormone that converts into T3 in the body.
Uses: The most common thyroid hormone replacement therapy used for hypothyroidism.
Key Differences and Features
Potency: Both T3 (Liothyronine) and T4 (Levothyroxine) are potent thyroid hormones capable of alleviating symptoms and enhancing metabolism.
Conversion: T4 is converted into T3 within the body, making T4 a precursor to the active hormone.
