{"product_id":"free-t4","title":"Free T4","description":"T4 (thyroxine) is the main hormone your thyroid produces. Free T4 measures the portion that's unbound and available for your body to use — a direct look at thyroid output that adds detail beyond a TSH alone, especially when investigating an over- or under-active thyroid.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738011254952,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.rschealth.com\/products\/free-t4","provider":"RSC Health","version":"1.0","type":"link"}