{"product_id":"thyroxine-free-t4","title":"Thyroxine-Free (Free T4)","description":"\u003cp\u003eThis add-on measures the level of free thyroxine (Free T4) in your blood, the unbound form of thyroid hormone that is biologically active. Free T4 plays a key role in regulating metabolism, energy levels, and overall thyroid function. Abnormal levels can indicate thyroid disorders such as hypothyroidism or hyperthyroidism—even if symptoms are subtle or not yet present.\u003c\/p\u003e\u003cp style=\"margin-top:16px;\"\u003e\u003ca href=\"\/blogs\/longevity\/free-t4-thyroxine-blood-test-normal-ranges-causes-what-your-results-mean\" target=\"_blank\" style=\"color:#2e7d52;font-weight:bold;\"\u003eRead our complete guide to Thyroxine-Free (Free T4) →\u003c\/a\u003e\u003c\/p\u003e","brand":"Lola Health","offers":[{"title":"Default Title","offer_id":46562262679704,"sku":"LOLA_ADDON_FT4_1G","price":12.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/8830\/9912\/files\/thyroid-stimulating-hormone.png?v=1771918147","url":"https:\/\/lolahealth.com\/products\/thyroxine-free-t4","provider":"Lola Health","version":"1.0","type":"link"}