Thyroid disorders are one of the most common conditions in the world, especially for women, with more and more people suffering from a slow function of the thyroid gland . Symptoms of hypothyroidism include fatigue and lethargy, weight gain, dry skin and dull, mindless hair and sometimes depression, feeling cold and persistent constipation, as well as irregular menstrual cycles in women. Thyroid-stimulating hormone , which is secreted by the pituitary gland, regulates and controls the activity of the thyroid gland. Detects increased levels of thyroid-stimulating hormone in a blood sample Helps detect hypothyroidism Recommended in case of fatigue, insomnia or weight gain