Thyroid hormone replacement therapy is a treatment used to help people whose thyroid gland does not produce enough hormones. This can happen due to conditions like hypothyroidism, where the body lacks essential hormones that regulate metabolism, energy levels, and overall health. The therapy typically involves taking synthetic hormones, such as levothyroxine, to restore normal hormone levels and alleviate symptoms like fatigue, weight gain, and depression. Patients usually take the medication daily, and it’s important to follow a doctor’s guidance for dosage and timing. Regular blood tests help monitor hormone levels, ensuring the therapy is effective and safe. With proper management, many individuals can lead healthy, active lives.