Liothyronine
Summary
Liothyronine is a thyroid hormone replacement therapy used to treat hypothyroidism, to suppress TSH, and to help in the diagnosis of hyperthyroidism.
Background
Liothyronine is a thyroidal hormone T3 which is normally produced by the thyroid gland in a ratio 4:1 when compared with T4: T3. Liothyronine is the active form of thyroxine which is composed in a basic chemical structure by a tyrosine with bound iodine.3 The exogenous liothyronine product was developed by King Pharmaceuticals and FDA approved in 1956.8
Weight Average: 650.9735
Monoisotopic: 650.790038137
Chemical Formula: C15H12I3NO4