{"product_id":"thyroxine-free-direct-t4-blood-test-life-extension-lab-tests-qd000866","title":"Thyroxine Free, Direct (T4) Blood Test","description":"\u003cp\u003eThis test is used to assess your thyroid hormone production. When T4 is released from the proteins that bind and carry it in the blood, it is free to convert to the more active thyroid hormone T3. Some health care providers prefer this test to the standard T4 blood test.\u003c\/p\u003e","brand":"Life Extension Lab Tests","offers":[{"title":"Default Title","offer_id":54536988164409,"sku":"QD000866","price":9.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/3908\/6649\/files\/dee088c97cd62932f5aedee744d8355b.webp?v=1790239435","url":"https:\/\/www.lifeextensionus.it.com\/products\/thyroxine-free-direct-t4-blood-test-life-extension-lab-tests-qd000866","provider":"lifeextensionus.it.com","version":"1.0","type":"link"}