{"title":"Thyroid","description":"\u003cp\u003eTSH\/T3\/T4 support, autoimmune thyroiditis nutrients, selenium, iodine, and tyrosine-based formulations.\u003c\/p\u003e","products":[{"product_id":"metagenics-thyrobalance","title":"Thyroid nutrient complex","description":"\u003ch2 class=\"product-marketing-headline\"\u003eNutritional support for healthy thyroid function and metabolism\u003c\/h2\u003e\u003cp class=\"product-tagline\"\u003e\u003cem\u003eTargeted nutritional support for normal healthy thyroid function and metabolism.\u003c\/em\u003e\u003c\/p\u003e\u003cdiv class=\"product-sourcing\"\u003e\u003cp\u003eThis is a practitioner grade supplement. Depending on availability, it may include Metagenics. If that brand is unavailable, your practitioner will recommend the most evidence-backed option for you.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-short-description\"\u003e\u003cp\u003eA practitioner-formulated tablet providing iodine, selenium, zinc, vitamin E and ashwagandha, the key nutrients required for thyroid hormone synthesis, T4 to T3 conversion and thyroid gland protection.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-long-description\"\u003e\n\u003cp\u003eMetagenics' Thyrobalance 60 tablets\u003c\/p\u003e\n\u003cp\u003eFor the Maintenance of Normal Healthy Thyroid Function and Metabolism\u003c\/p\u003e\n\u003cp\u003eUsed for healthy thyroid function and metabolism\u003c\/p\u003e\n\u003cp\u003eWithania is beneficial during times of stress\u003c\/p\u003e\n\u003cp\u003eProvides 150 µg of selenium per day for loading dose\u003c\/p\u003e\n\u003cp\u003eFree from dairy protein, lactose, eggs, gluten, wheat, nuts, yeast and salt\u003c\/p\u003e\n\u003cp\u003eFree from artificial colours and flavours\u003c\/p\u003e\n\u003cp\u003eVegan\u003c\/p\u003e\n\u003cp\u003ePer bottle: 60 vegetarian tablets (1 tablet = 1 serving)\u003c\/p\u003e\n\u003cp\u003eDirections for use\nAdults Loading dose: Take 2 tablets twice daily with food.Adults Maintenance dose: Take 1 tablet twice daily with food.\u003c\/p\u003e\n\u003cp\u003eProduct Education:\u003c\/p\u003e\n\u003cp\u003eClinical Benefits:Healthy thyroid function and metabolism: Iodine, selenium, zinc and vitamin E all play a significant role in the synthesis and regulation of thyroid hormones. Thyroxine (T4) has four molecules of iodine and is converted to the biologically active thyroid hormone triiodothyronine (T3) via the selenium dependant enzyme, iodothyronine deiodinase. Selenoproteins also play a protective role via detoxification of hydrogen peroxide (H202). Zinc and vitamin E also provide antioxidant activity via limiting lipid peroxidation and restricting free radical damage.\u003c\/p\u003e\n\u003cp\u003eBeneficial during times of stress: Withania somnifera is an adaptogenic herb that has been shown to attenuate the negative effects of chronic stress by acting as a GABA mimetic agent by binding to GABA receptors. Withania also assists with energy production.\u003c\/p\u003e\n\u003cp\u003eWarnings\nCaution: Consult with your doctor prior to use if you are pregnant or nursing, taking any medications or have a medical condition. Keep out of the reach of children.\u003c\/p\u003e\n\u003cp\u003eWhen taken in excess of 3000 μg retinol equivalents, vitamin A can cause birth defects. If you are pregnant, or considering becoming pregnant, do not take vitamin A supplements without consulting your doctor or pharmacist. The recommended daily amount of vitamin A from all sources if 700 μg retinol equivalents for women 900 μg retinol equivalents for men. This product contains selenium which is toxic in high doses. A daily dose of 150 μg for adults of selenium from dietary supplements should not be exceeded. Not all cautions and contraindications are listed. For full details, references or more information contact Health World Limited in Australia on 1800 777 648.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-ingredients\"\u003e\n\u003ch3\u003eWhat's in it\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIngredient\u003c\/th\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIodine (as potassium iodide)\u003c\/td\u003e\n\u003ctd\u003ePotassium iodide\u003c\/td\u003e\n\u003ctd\u003e150mcg\u003c\/td\u003e\n\u003ctd\u003eEssential component of thyroid hormones T4 (thyroxine, 4 iodine atoms) and T3 (triiodothyronine, 3 iodine atoms). Iodine deficiency is the most common cause of hypothyroidism globally.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelenium (as selenomethionine)\u003c\/td\u003e\n\u003ctd\u003eOrganic selenomethionine\u003c\/td\u003e\n\u003ctd\u003e150mcg\u003c\/td\u003e\n\u003ctd\u003eRequired for iodothyronine deiodinase enzymes that convert T4 to active T3. Also provides antioxidant protection to the thyroid via glutathione peroxidase. Each tablet provides 150mcg, the loading dose included in this formula.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZinc (as zinc citrate)\u003c\/td\u003e\n\u003ctd\u003eZinc citrate\u003c\/td\u003e\n\u003ctd\u003e15mg\u003c\/td\u003e\n\u003ctd\u003eRequired for thyroid hormone synthesis and for the action of thyroid hormone nuclear receptors. Zinc deficiency impairs both T4 production and T3 receptor binding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin E (natural d-alpha tocopheryl)\u003c\/td\u003e\n\u003ctd\u003ed-alpha tocopherol\u003c\/td\u003e\n\u003ctd\u003e10mg\u003c\/td\u003e\n\u003ctd\u003eFat-soluble antioxidant protecting thyroid cell membranes from the oxidative stress of thyroid hormone synthesis.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithania somnifera (Ashwagandha) extract\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-how-to-take\"\u003e\n\u003ch3\u003eHow to take\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eLoading dose: 2 tablets twice daily with food. Maintenance dose: 1 tablet twice daily with food. Loading dose is typically used for the first 4 to 8 weeks then reducing to maintenance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-clinical-evidence\"\u003e\n\u003ch3\u003eClinical evidence\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/14641614\/\" target=\"_blank\"\u003eDuntas et al. (2003), Selenium and the thyroid gland: more good news for clinicians (Clinical Endocrinology)\u003c\/a\u003e \u003cspan class=\"evidence-note\"\u003e\u003cem\u003eSelenium and thyroid function, clinical review\u003c\/em\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28255302\/\" target=\"_blank\"\u003eVentura et al. (2017), Selenium and thyroid disease: from pathophysiology to treatment (International Journal of Endocrinology)\u003c\/a\u003e \u003cspan class=\"evidence-note\"\u003e\u003cem\u003eSelenium in thyroid disease comprehensive review\u003c\/em\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/20883174\/\" target=\"_blank\"\u003eToulis et al. (2010), Selenium supplementation in the treatment of Hashimoto's thyroiditis (Thyroid)\u003c\/a\u003e \u003cspan class=\"evidence-note\"\u003e\u003cem\u003eMeta-analysis of selenium in Hashimoto's, reduced TPO antibodies\u003c\/em\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Practitioner grade","offers":[{"title":"Default Title","offer_id":40262003130563,"sku":null,"price":37.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/optilabs-supp-metagenics-thyrobalance.jpg?v=1786431244"},{"product_id":"gelatin-australia-organic-seaweed-superblend","title":"Organic seaweed mineral blend","description":"\u003ch2 class=\"product-marketing-headline\"\u003eOcean sourced minerals and iodine from certified organic seaweed\u003c\/h2\u003e\u003cp class=\"product-tagline\"\u003e\u003cem\u003eOcean minerals. Land nutrition. One blend.\u003c\/em\u003e\u003c\/p\u003e\u003cdiv class=\"product-sourcing\"\u003e\u003cp\u003eThis is a practitioner grade supplement. Depending on availability, it may include Gelatin Australia. If that brand is unavailable, your practitioner will recommend the most evidence-backed option for you.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-short-description\"\u003e\u003cp\u003eA certified organic blend of whole-food seaweeds and complementary land plants providing natural iodine, minerals, trace elements and unique marine polysaccharides. A whole-food approach to thyroid and mineral support.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-long-description\"\u003e\n\u003cp\u003eGelatin Australia's Organic Seaweed SuperBlend 90 Capsules\u003c\/p\u003e\n\u003cp\u003eBacked by research into the best of the best seaweed, Organic Seaweed SuperBlend has been formulated in capsule form for your convenience. The following seaweeds have been carefully selected:\u003c\/p\u003e\n\u003cp\u003eOrganic Ascophyllum Nodusum\u003c\/p\u003e\n\u003cp\u003eOrganic Fucus Vesiculosus (Bladderwrack)\u003c\/p\u003e\n\u003cp\u003eOrganic Wakame\u003c\/p\u003e\n\u003cp\u003eOrganic Mekabu\u003c\/p\u003e\n\u003cp\u003eThis blend uses Undaria pinnatifida seaweed (Mekabu).\u003c\/p\u003e\n\u003cp\u003eSuperBlend is a good source of iodine which is necessary for normal production of thyroid hormones.\u003c\/p\u003e\n\u003cp\u003eServing Suggestions\nAdults: Consume one serve (1 capsule) whole, or open and sprinkle onto food or drink as desired.\u003c\/p\u003e\n\u003cp\u003eIngredients\nOrganic Seaweed blend (86.2%): Organic Ascophyllum Nodusum, Organic Fucus Vesiculosus (Bladderwrack), Organic Wakame, Organic Mekabu Powder, Hypermellose (Vege Capsule) (13.8%)\u003c\/p\u003e\n\u003cp\u003eProduct Education:\u003c\/p\u003e\n\u003cp\u003eBlend of 4 organic seaweeds\u003c\/p\u003e\n\u003cp\u003eCarefully selected for their unique properties\u003c\/p\u003e\n\u003cp\u003eAscophyllum Nodusum, Bladderwrack, Wakame \u0026amp; Mekuba\u003c\/p\u003e\n\u003cp\u003eGood source of iodine\u003c\/p\u003e\n\u003cp\u003eTake as is or open and sprinkle on food\u003c\/p\u003e\n\u003cp\u003eWhen to Use\u003c\/p\u003e\n\u003cp\u003eMorning: As is with your breakfast\u003c\/p\u003e\n\u003cp\u003eCook: Open and sprinkle into stir fry and stews\u003c\/p\u003e\n\u003cp\u003eSmoothies: Open and sprinkle into smoothies\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-ingredients\"\u003e\n\u003ch3\u003eWhat's in it\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIngredient\u003c\/th\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eCertified organic seaweed blend (kelp, wakame, nori and others)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-clinical-evidence\"\u003e\n\u003ch3\u003eClinical evidence\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24843790\/\" target=\"_blank\"\u003eSeaweed and iodine bioavailability in the thyroid\u003c\/a\u003e \u003cspan class=\"evidence-note\"\u003e\u003cem\u003eSeaweed is the primary natural source of dietary iodine in populations with adequate thyroid function\u003c\/em\u003e\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Practitioner grade","offers":[{"title":"Default Title","offer_id":40577210613955,"sku":null,"price":52.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/optilabs-supp-gelatin-australia-organic-seaweed-superblend.jpg?v=1786431334"},{"product_id":"nutripath-nutri-stat-comprehensive-panel","title":"Nutri-STAT comprehensive nutritional panel (at-home blood and urine)","description":"\u003ch2 class=\"product-marketing-headline\"\u003eMap nutritional and metabolic health in one panel\u003c\/h2\u003e\u003cp class=\"product-brand-attribution\"\u003eTest processed by \u003cstrong\u003eNutriPath\u003c\/strong\u003e (Test Code 5005)\u003c\/p\u003e\u003cdiv class=\"product-short-description\"\u003e\u003cp\u003eA comprehensive blood and urine panel covering metabolic, thyroid, cardiovascular and hormone markers, plus minerals, fatty acids, amino acids and organic acids.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-long-description\"\u003e\u003cp\u003eThe Nutri-STAT profile is a broad assessment designed to map nutritional and metabolic health from a single blood and urine collection. It covers an extensive range of biomarkers across metabolic health, thyroid health, cardiovascular health and hormone health, and includes analysis of mineral and metal status, essential fatty acids, amino acids and organic acids. Because it measures such a wide range of analytes, it suits people who want a thorough baseline of functional nutritional needs across many systems at once. Collected at home.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-tga-note\"\u003e\u003csmall\u003e\u003cstrong\u003eRegulatory note: \u003c\/strong\u003eThis is a health information tool. Results should be reviewed with a qualified practitioner.\u003c\/small\u003e\u003c\/div\u003e","brand":"NutriPath","offers":[{"title":"Default Title","offer_id":52591868838162,"sku":"OPTI-NUTRIPATH-NUTRI-STAT-COMPREHENSIVE-PANEL","price":934.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/nutripath-nutri-stat-comprehensive-panel.jpg?v=1786431103"},{"product_id":"thyroid-plan","title":"Thyroid Bundle","description":"\u003cp\u003e\u003c\/p\u003e","brand":"OptiLabs","offers":[{"title":"Consult only","offer_id":52591871492370,"sku":"plan-thy-consult","price":49.0,"currency_code":"AUD","in_stock":true},{"title":"Consult + Starter Bundle","offer_id":52591871525138,"sku":"plan-thy-starter","price":530.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/optilabs-hub-thyroid_3844695b-405a-4dfe-8148-e27e40b8e29e.jpg?v=1786431123"},{"product_id":"nutripath-complete-thyroid-workup-with-antibodies","title":"Complete thyroid workup with antibodies","description":"\u003ch2 class=\"product-marketing-headline\"\u003eWhen something feels clearly off and nothing has been found\u003c\/h2\u003e\u003cp class=\"product-tagline\"\u003e\u003cem\u003eThe complete thyroid workup in one blood draw. All five thyroid markers plus reverse T3 and antibodies. The test you want when something is definitely wrong but nothing has been found.\u003c\/em\u003e\u003c\/p\u003e\u003cp class=\"product-brand-attribution\"\u003eTest processed by \u003cstrong\u003eNutriPath\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv class=\"product-short-description\"\u003e\u003cp\u003eCombines TSH, free T3, free T4, reverse T3 (the brake pedal on thyroid function), TPO antibodies and Tg antibodies. The gold standard panel for complex thyroid presentations, conversion issues, or when previous testing has missed the pattern.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-long-description\"\u003e\u003cp\u003eWhen a simple TSH test returns normal but symptoms persist, when thyroid medication is not producing the expected result, or when you want a comprehensive one time baseline, the extensive thyroid panel is what you want. It measures all the markers that shape the thyroid picture: TSH (the pituitary signal), free T4 (the storage hormone), free T3 (the active hormone), reverse T3 (the inactive metabolite that competes with T3 at receptors), TPO antibodies (catches Hashimoto's), and Tg antibodies (adds specificity to autoimmune detection). Reverse T3 is the critical addition that standard testing misses. Under stress, illness or calorie restriction, your body shunts T4 down the reverse T3 pathway instead of converting it to the active T3. High reverse T3 with a low T3 to rT3 ratio is a common pattern in chronic illness, burnout and long term dieting, and explains persistent hypothyroid symptoms in people whose other markers look fine.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-ingredients\"\u003e\n\u003ch3\u003eWhat it measures\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBiomarker\u003c\/th\u003e\n\u003cth\u003eSample\u003c\/th\u003e\n\u003cth\u003eReference Range\u003c\/th\u003e\n\u003cth\u003eWhat it tells you\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTSH\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003e0.5 to 2.5 mIU\/L optimal\u003c\/td\u003e\n\u003ctd\u003eThe pituitary signal. Context for interpreting thyroid hormone levels.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree T4\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003e12 to 22 pmol\/L\u003c\/td\u003e\n\u003ctd\u003eThe storage form. Most thyroid medication replaces this.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree T3\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003e3.5 to 6.5 pmol\/L\u003c\/td\u003e\n\u003ctd\u003eThe biologically active hormone your cells use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse T3\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003eUnder 250 pg\/mL, ratio to T3 matters more\u003c\/td\u003e\n\u003ctd\u003eThe inactive metabolite. Elevated rT3 blocks T3 at the receptor level and explains persistent hypothyroid symptoms despite normal other markers. The T3 to rT3 ratio is more informative than rT3 alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTPO Antibodies\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003eUnder 35 kIU\/L\u003c\/td\u003e\n\u003ctd\u003eCatches Hashimoto's autoimmune activity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTg Antibodies\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003eUnder 40 kU\/L\u003c\/td\u003e\n\u003ctd\u003eAdds specificity to autoimmune detection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT3 : rT3 Ratio\u003c\/td\u003e\n\u003ctd\u003eCalculated\u003c\/td\u003e\n\u003ctd\u003eAbove 20 preferred\u003c\/td\u003e\n\u003ctd\u003eOne of the most useful ratios in complex thyroid cases. Low ratio indicates T4 is being shunted to inactive rT3, common in stress, chronic illness, and prolonged calorie restriction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-how-to-take\"\u003e\n\u003ch3\u003eHow to collect and what to expect\u003c\/h3\u003e\n\u003cp\u003eNo fasting required. Morning collection preferred. If on thyroid medication, discuss timing with your prescriber. Book at any NutriPath referral centre. Results and detailed interpretive report in 5 to 7 business days.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-warnings\"\u003e\n\u003ch3\u003eWarnings and cautions\u003c\/h3\u003e\n\u003cp\u003eThis is a health information test. Do not start, stop or change thyroid medication based on results. Complex thyroid patterns (especially those involving reverse T3 and antibodies) benefit from interpretation by a practitioner familiar with functional thyroid medicine.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faqs\"\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhy include reverse T3?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBecause reverse T3 is the commonest missing piece in complex thyroid cases. Under stress, illness or dieting, your body preferentially converts T4 into inactive reverse T3 rather than active T3. This causes hypothyroid symptoms despite normal looking TSH, T4 and even T3 results. Without measuring rT3 you miss this pattern entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is this different from the basic thyroid panel?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe basic panel measures TSH, fT3 and fT4. This extensive panel adds reverse T3 and both thyroid antibodies. It is the appropriate test for complex cases, treatment resistant hypothyroidism, fatigue syndromes, and anyone wanting a complete one time baseline.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eI am on medication and still feel bad. Which test do I need?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis one. Medication optimisation requires knowing not just TSH but how well T4 is converting to T3, whether reverse T3 is competing at the receptor, and whether autoimmune activity is ongoing. All these are in this panel.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow often should I retest?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eComplete panels are typically done once to establish baseline and identify patterns, then ongoing monitoring uses whichever subset of markers is most relevant (TSH and fT4 for medication titration, antibodies every 6 to 12 months for autoimmune monitoring, fT3 and rT3 when addressing conversion issues).\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-clinical-evidence\"\u003e\n\u003ch3\u003eClinical evidence\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/17956631\/\" target=\"_blank\" rel=\"noopener\"\u003eReverse T3 and the low T3 syndrome\u003c\/a\u003e: Review of reverse T3 physiology and clinical significance.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19822864\/\" target=\"_blank\" rel=\"noopener\"\u003eType 3 deiodinase and reverse T3 production\u003c\/a\u003e: The enzyme biology behind reverse T3 elevation in stress and illness.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28721393\/\" target=\"_blank\" rel=\"noopener\"\u003eComprehensive thyroid assessment in clinical practice\u003c\/a\u003e: Consensus approach to complete thyroid evaluation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"NutriPath","offers":[{"title":"Default Title","offer_id":52591881027858,"sku":"OPTI-NUTRIPATH-COMPLETE-THYROID-WORKUP-WITH-A","price":269.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/nutripath-complete-thyroid-workup-with-antibodies.jpg?v=1786431173"},{"product_id":"nutripath-thyroid-autoimmune-antibody-test","title":"Thyroid autoimmune antibody test","description":"\u003ch2 class=\"product-marketing-headline\"\u003eCatch Hashimoto's years before your TSH starts to shift\u003c\/h2\u003e\u003cp class=\"product-tagline\"\u003e\u003cem\u003eThe test that catches Hashimoto's. Essential context for anyone with thyroid symptoms, a family history, or autoimmune conditions.\u003c\/em\u003e\u003c\/p\u003e\u003cp class=\"product-brand-attribution\"\u003eTest processed by \u003cstrong\u003eNutriPath\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv class=\"product-short-description\"\u003e\u003cp\u003eMeasures TPO (Thyroid Peroxidase) antibodies and Tg (Thyroglobulin) antibodies, the two markers that indicate autoimmune activity against the thyroid gland. Hashimoto's is the most common cause of hypothyroidism and can be present for years before TSH starts to shift.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-long-description\"\u003e\u003cp\u003eHashimoto's thyroiditis, the autoimmune condition where the immune system attacks the thyroid gland, accounts for the majority of hypothyroidism cases in developed countries. It is also one of the most commonly missed diagnoses because antibody testing is often not included in standard thyroid workups. Elevated thyroid antibodies can be present for five to ten years before TSH shifts enough to trigger medication. During that time, symptoms (fatigue, hair thinning, weight gain, brain fog, cold intolerance) are often dismissed as being in normal range. This test catches the autoimmune pattern early. A positive antibody result does not automatically mean medication is needed, but it gives you and your practitioner a foundation for discussing lifestyle interventions (gluten removal, selenium, vitamin D optimisation, stress management) that have evidence behind them for slowing or reversing thyroid antibody progression.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-ingredients\"\u003e\n\u003ch3\u003eWhat it measures\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBiomarker\u003c\/th\u003e\n\u003cth\u003eSample\u003c\/th\u003e\n\u003cth\u003eReference Range\u003c\/th\u003e\n\u003cth\u003eWhat it tells you\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTPO Antibodies (Thyroid Peroxidase)\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003eUnder 35 kIU\/L\u003c\/td\u003e\n\u003ctd\u003ePresent in the majority of Hashimoto's cases and some Graves' cases. Elevated TPO indicates immune activity against the enzyme that makes thyroid hormone. Often elevated years before TSH shifts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTg Antibodies (Thyroglobulin)\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003eUnder 40 kU\/L\u003c\/td\u003e\n\u003ctd\u003eLess sensitive than TPO but adds specificity. Elevated Tg antibodies with normal TPO can indicate early autoimmune activity or confound thyroglobulin tumour marker testing in thyroid cancer monitoring.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-how-to-take\"\u003e\n\u003ch3\u003eHow to collect and what to expect\u003c\/h3\u003e\n\u003cp\u003eNo fasting required. Book at any NutriPath referral centre. Results in 3 to 5 business days.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-warnings\"\u003e\n\u003ch3\u003eWarnings and cautions\u003c\/h3\u003e\n\u003cp\u003eThis is a health information test. Do not self medicate or make clinical decisions based on antibody levels alone. Elevated antibodies require full assessment by a GP or endocrinologist and interpretation in the context of thyroid hormone levels, symptoms and clinical history.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faqs\"\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eI have thyroid symptoms but normal TSH. Should I test antibodies?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, this is exactly the scenario where antibody testing is most useful. Many people with Hashimoto's spend years in the so called subclinical phase with elevated antibodies, symptoms and normal TSH. The antibody test catches what TSH misses.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat does a positive antibody result mean?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIt indicates your immune system is producing antibodies against thyroid tissue. Over time this typically (not always) progresses to clinical hypothyroidism. Early identification gives you time to pursue interventions with evidence for slowing progression: addressing gluten sensitivity, optimising selenium and vitamin D, managing stress, addressing gut health.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan antibody levels come down?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Antibody titres are not fixed. Evidence shows that selenium supplementation, vitamin D optimisation, removing gluten in sensitive individuals and treating underlying infections can reduce antibody levels in many people. This does not guarantee reversal of disease but supports slower progression.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eShould my family members test?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIf you have been diagnosed with Hashimoto's or Graves', first degree relatives have a substantially elevated lifetime risk. Baseline antibody testing in adulthood, particularly for women entering their 30s, 40s and perimenopause, provides useful early warning.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-clinical-evidence\"\u003e\n\u003ch3\u003eClinical evidence\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23746768\/\" target=\"_blank\" rel=\"noopener\"\u003eHashimoto's thyroiditis prevalence and epidemiology\u003c\/a\u003e: Epidemiological data on autoimmune thyroid disease as the dominant cause of hypothyroidism.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/20427725\/\" target=\"_blank\" rel=\"noopener\"\u003eSelenium supplementation and thyroid antibody levels\u003c\/a\u003e: Meta analysis of selenium's effect on TPO antibody levels in Hashimoto's.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/30060266\/\" target=\"_blank\" rel=\"noopener\"\u003eGluten free diet in autoimmune thyroid disease\u003c\/a\u003e: Evidence for gluten sensitivity and autoimmune thyroid disease association.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"NutriPath","offers":[{"title":"Default Title","offer_id":52591881421074,"sku":"OPTI-NUTRIPATH-THYROID-AUTOIMMUNE-ANTIBODY-TE","price":144.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/nutripath-thyroid-autoimmune-antibody-test.jpg?v=1786431175"},{"product_id":"nutripath-full-thyroid-hormone-blood-panel","title":"Full thyroid hormone blood panel","description":"\u003ch2 class=\"product-marketing-headline\"\u003eThe thyroid test your GP rarely orders in full\u003c\/h2\u003e\u003cp class=\"product-tagline\"\u003e\u003cem\u003eThe three marker thyroid panel your GP rarely orders in full. TSH plus both active hormones, free T3 and free T4.\u003c\/em\u003e\u003c\/p\u003e\u003cp class=\"product-brand-attribution\"\u003eTest processed by \u003cstrong\u003eNutriPath\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv class=\"product-short-description\"\u003e\u003cp\u003eMost GP thyroid testing starts and ends with TSH. This panel adds free T3 (the active hormone your cells actually use) and free T4 (the storage form). Essential for anyone with fatigue, cold intolerance, weight gain, hair loss or brain fog where TSH alone has been called normal.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-long-description\"\u003e\u003cp\u003eTSH is a pituitary signal, not a measure of thyroid function. Your thyroid can be underperforming while TSH sits in the so called normal range, particularly in the subclinical territory between 2.5 and 4.5 mIU\/L where many functional practitioners consider intervention worthwhile. The only way to know what your thyroid is actually producing, and whether your body is converting the storage hormone T4 into the active hormone T3 properly, is to measure both free T3 and free T4 alongside TSH. This panel does exactly that. It is the starting point for anyone whose thyroid symptoms have been dismissed, anyone with a family history of thyroid disease, anyone on thyroid medication wanting to check their conversion, and anyone in perimenopause where thyroid changes are common but often masked by hormonal symptoms.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"product-ingredients\"\u003e\n\u003ch3\u003eWhat it measures\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBiomarker\u003c\/th\u003e\n\u003cth\u003eSample\u003c\/th\u003e\n\u003cth\u003eReference Range\u003c\/th\u003e\n\u003cth\u003eWhat it tells you\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTSH (Thyroid Stimulating Hormone)\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003e0.5 to 2.5 mIU\/L optimal, up to 4.5 accepted\u003c\/td\u003e\n\u003ctd\u003eThe pituitary signal that drives the thyroid. High TSH with low thyroid hormones indicates hypothyroidism. Functional practitioners often consider TSH above 2.5 mIU\/L with symptoms worth investigating.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree T4 (Thyroxine)\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003e12 to 22 pmol\/L\u003c\/td\u003e\n\u003ctd\u003eThe storage form of thyroid hormone. Most thyroid medication (thyroxine) replaces this form. Low fT4 with high TSH confirms a thyroid production problem.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree T3 (Triiodothyronine)\u003c\/td\u003e\n\u003ctd\u003eBlood (SST)\u003c\/td\u003e\n\u003ctd\u003e3.5 to 6.5 pmol\/L\u003c\/td\u003e\n\u003ctd\u003eThe biologically active hormone. Your cells use T3, not T4. Low free T3 despite normal TSH and T4 is a common functional pattern that standard testing misses. Often reflects poor conversion due to stress, selenium deficiency or calorie restriction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-how-to-take\"\u003e\n\u003ch3\u003eHow to collect and what to expect\u003c\/h3\u003e\n\u003cp\u003eNo fasting required, but morning collection preferred. If you take thyroid medication, discuss with your prescriber whether to hold the dose until after collection. Book at any NutriPath referral centre. Results in 3 to 5 business days.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-warnings\"\u003e\n\u003ch3\u003eWarnings and cautions\u003c\/h3\u003e\n\u003cp\u003eThis is a health information test. Do not start, stop or change thyroid medication based on results. If you are currently on thyroxine or any thyroid medication, collection timing and dose timing affect results. Discuss results with your GP or endocrinologist before any medication decisions.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faqs\"\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eMy GP only tested TSH. Why is that not enough?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTSH measures the pituitary signal. If TSH is normal, the assumption is thyroid function is normal. But thyroid dysfunction can exist with normal TSH (subclinical hypothyroidism, poor T4 to T3 conversion, thyroid resistance). Measuring free T3 and free T4 catches patterns that TSH alone misses.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat are optimal ranges?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eLab reference ranges are wide and reflect population averages, not optimal health. Functional optimal ranges: TSH 0.5 to 2.5 mIU\/L, fT4 in the upper half of the reference range, fT3 in the upper third of the reference range. Many people feel substantially better when they hit these optimal ranges rather than just normal.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eShould I add thyroid antibodies?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eIf you have any thyroid symptoms, a family history of thyroid disease or other autoimmune conditions, yes. The Thyroid Antibodies test (TPOAb and TgAb) is the only way to detect Hashimoto's, the most common cause of hypothyroidism. Many people have autoimmune thyroid disease years before TSH shifts.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen is the best time to test?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eMorning, on an empty stomach if possible. If you are on thyroid medication, standard practice is to hold the morning dose until after collection, but discuss this with your prescriber first.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-clinical-evidence\"\u003e\n\u003ch3\u003eClinical evidence\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/17389701\/\" target=\"_blank\" rel=\"noopener\"\u003eTSH reference ranges and subclinical hypothyroidism\u003c\/a\u003e: Evidence that optimal TSH ranges may be narrower than standard lab reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19049470\/\" target=\"_blank\" rel=\"noopener\"\u003eT4 to T3 conversion and tissue thyroid status\u003c\/a\u003e: Review of peripheral thyroid hormone metabolism and its clinical implications.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12694022\/\" target=\"_blank\" rel=\"noopener\"\u003eSelenium and thyroid hormone conversion\u003c\/a\u003e: Selenium's role in the deiodinase enzymes that convert T4 to T3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"NutriPath","offers":[{"title":"Default Title","offer_id":52591881781522,"sku":"OPTI-NUTRIPATH-FULL-THYROID-HORMONE-BLOOD-PAN","price":139.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/2087\/0083\/files\/nutripath-full-thyroid-hormone-blood-panel.jpg?v=1786431177"}],"url":"https:\/\/optilabs.com.au\/collections\/thyroid.oembed","provider":"OptiLabs by Evergreen Doctors","version":"1.0","type":"link"}