This remedy supplies nutritional support for the parathyroid gland. It is called para thyro blend. The FDA has not approved of these statements and you are taking this at your own risk, usually 2 + 2 daily. 613*PARA THRYO(RHOID) HERB-100 CAPS, contains: saw palmetto berries, bilberry leaf, loquat leaf, polygala root, fringetree bark.