THYRONORM 12.5 mcg Tablet is a thyroid hormone replacement medicine containing Thyroxine (Levothyroxine Sodium) 12.5 mcg as its active ingredient. It is used under medical supervision for the management of hypothyroidism (underactive thyroid), a condition where the thyroid gland does not produce enough thyroid hormone. It helps restore normal thyroid hormone levels and supports the body’s metabolism, energy regulation, and overall thyroid function.