what does thyroid stimulating hormone do
TSH or thyroid stimulating hormone is a hormone produced in the anterior pituitary gland. This is used to help stimulate the thyroid to produce triiodothyronine (T3) or thyroxine (T4), hormones that help stimulate the metabolism.If your pituitary gland is producing TSH trying to stimulate the thyroid but the thyroid does not respond, it can result in an excessive amount of TSH in the bloodstream.his is used to help stimulate the thyroid to produce triiodothyronine (T3) or thyroxine (T4), hormones that help stimulate the metabolism. If your pituitary gland is producing TSH trying to stimulate the thyroid but the thyroid does not respond, it can result in an excessive amount of TSH in the bloodstream.