THYRONORM 200 mcg Tablet is a thyroid hormone replacement medicine containing Levothyroxine Sodium, a synthetic form of thyroxine (T4), which is a naturally produced thyroid hormone. It is used to support the management of hypothyroidism (underactive thyroid) by helping restore adequate thyroid hormone levels in the body. It plays an important role in maintaining normal metabolism, energy production, and overall thyroid hormone balance when taken as prescribed by a healthcare professional.