{"product_id":"complete-thyroid-panel","title":"Complete Thyroid Panel","description":"\u003cp\u003eMost thyroid screening stops at TSH — but TSH isn’t your thyroid’s output. It’s a signal from your brain telling the thyroid to work harder or ease off. Reading only TSH is like judging a thermostat setting without checking the room temperature.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy people check these:\u003c\/strong\u003e Free T4 is the main hormone your thyroid stores and releases; Free T3 is the active hormone that actually does the work in your cells. That conversion doesn’t always go smoothly, which is why someone can have a fine T4 and still feel hypothyroid. Reverse T3 acts as a kind of brake — under stress or illness the body can convert T4 into reverse T3 instead of active T3, quietly dialing things down. It is rarely tested and can explain symptoms the standard numbers don’t. TPO antibodies reveal whether the immune system is involved, which speaks to the \u003cem\u003ecause\u003c\/em\u003e rather than just the level.\u003c\/p\u003e\u003cp\u003eIf you’ve been told your thyroid is “normal” but still feel exhausted, foggy, or cold, this is the fuller picture worth having.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eINCLUDES:\u003c\/strong\u003e TSH, Free T4, Free T3, Reverse T3, Thyroid Peroxidase (TPO) Antibodies.\u003c\/p\u003e","brand":"YourLabWork","offers":[{"title":"Default Title","offer_id":43730894749786,"sku":"YLW-THYROID-COMPLETE","price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2888\/4826\/files\/thyroid.png?v=1785027805","url":"https:\/\/yourlabwork.com\/products\/complete-thyroid-panel","provider":"YourLabWork","version":"1.0","type":"link"}