{"product_id":"lab-testosterone-free-bioavailable-and-total-ms-quest-diagnostics","title":"Testosterone, Free, Bioavailable and Total, MS","description":"\u003cp\u003eThis Quest Diagnostics lab panel measures free, bioavailable, and total testosterone using mass spectrometry (MS) — the gold-standard analytical method for accurate hormone quantification. It distinguishes between total circulating testosterone and the fractions actually available to tissues (free and bioavailable), offering a more complete picture of androgenic status. Appropriate for men and women seeking a detailed baseline or ongoing hormonal assessment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy It's Worth Considering:\u003c\/strong\u003e Mass spectrometry provides greater sensitivity and specificity than immunoassay-based testing, reducing cross-reactivity errors that can skew results — particularly relevant at lower testosterone concentrations common in women or hypogonadal men.\u003c\/p\u003e","brand":"Quest Diagnostics","offers":[{"title":"Default Title","offer_id":42636250775646,"sku":"lab-testosterone-free-bioavailable-and-total-ms-quest-diagnostics","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6698\/2750\/files\/logo_5d32526c-82b6-4b16-b480-53325548f8fa.svg?v=1777676630","url":"https:\/\/apotheca.market\/products\/lab-testosterone-free-bioavailable-and-total-ms-quest-diagnostics","provider":"Apotheca","version":"1.0","type":"link"}