LIOTHYRONINE treats low thyroid levels (
hypothyroidism) in your body. It works by replacing a thyroid hormone normally made by the body. Thyroid hormones play an important role in your overall health. They help support metabolism and energy levels. Get Liothyronine for as low as $16.37, which is 81% off the average retail price of $86.98 for the most common version, by using a GoodRx coupon.