{"title":"Vitamins \u0026 Nutrition Blood Tests","description":"\u003cp\u003eOur vitamins and nutrition blood tests take the guesswork out of supplementation by measuring exactly what your body is absorbing and where deficiencies lie. From vitamin D and B12 to iron, zinc, and magnesium, get the data you need to optimise your nutrition.\u003c\/p\u003e","products":[{"product_id":"mens-performance-blood-test-complete","title":"Men's Performance Blood Test: Complete","description":"\u003cp class=\"p1\"\u003eAn advanced blood test panel for male athletes undertaking high training volumes or competitive sport. Includes a broader view of recovery, metabolic health, cardiovascular risk and hormone markers.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47213207355545,"sku":"BT-CHECK-MENS-PERF","price":1000.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/MensUltimatePerformanceTess.png?v=1780511022"},{"product_id":"vitamin-b12-blood-test","title":"Vitamin B12 Blood Test","description":"\u003cp\u003eThis test measures serum vitamin B12 (cobalamin) concentration to identify deficiency or insufficiency. Vitamin B12 is essential for neurological function, DNA synthesis, and the production of red blood cells; deficiency can present as fatigue, peripheral neuropathy, cognitive impairment, and megaloblastic anaemia. It is particularly recommended for individuals following a vegan or vegetarian diet, those with gastrointestinal conditions affecting absorption (such as atrophic gastritis or coeliac disease), older adults, and patients on long-term metformin or proton pump inhibitor therapy.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47852126208153,"sku":"BT-SINGLE-VIT-B12","price":74.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/VitaminB12Test.png?v=1780595350"},{"product_id":"vitamin-d-25-oh-blood-test","title":"Vitamin D 25 OH Blood Test","description":"\u003cp\u003eThis test measures serum 25-hydroxyvitamin D (25-OH vitamin D), the principal circulating form of vitamin D and the most reliable indicator of overall vitamin D status. Adequate levels are required for calcium absorption, bone mineralisation, immune regulation, and musculoskeletal function; deficiency is associated with increased risk of osteoporosis, impaired immunity, fatigue, and mood disturbance. This test is recommended for individuals with limited sun exposure, darker skin tones, those with fat malabsorption conditions, older adults, and anyone monitoring the response to vitamin D supplementation.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47852126371993,"sku":"BT-SINGLE-VIT-VITD","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/VitaminDTest.png?v=1780594358"},{"product_id":"zinc-blood-test","title":"Zinc Blood Test","description":"\u003cp\u003eThis test measures serum zinc concentration to assess zinc status. Zinc is an essential trace mineral involved in immune function, wound healing, protein synthesis, cell division, and hormonal regulation including testosterone production. Deficiency may present as impaired immunity, poor wound healing, hair loss, skin changes, reduced sense of taste or smell, and suboptimal reproductive function. This test is suitable for individuals investigating potential zinc deficiency, those on restrictive diets, athletes with high physiological demands, or anyone monitoring zinc supplementation.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47852126503065,"sku":"BT-SINGLE-NUTR-ZINC","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/ZincTest.png?v=1780594514"},{"product_id":"magnesium-blood-test","title":"Magnesium Blood Test","description":"\u003cp\u003eThis test measures serum magnesium concentration to identify deficiency or imbalance. Magnesium is involved in over 300 enzymatic reactions and plays a critical role in muscle contraction, nerve transmission, cardiac rhythm, blood pressure regulation, and energy metabolism. Low magnesium levels may contribute to muscle cramps, fatigue, sleep disturbance, headaches, and cardiac arrhythmias. Testing is recommended for individuals experiencing these symptoms, those with type 2 diabetes, gastrointestinal disorders, chronic alcohol use, or who are on diuretics or proton pump inhibitors.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47852126568601,"sku":"BT-SINGLE-NUTR-MAG","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/MagnesiumTest.png?v=1780594544"},{"product_id":"zinc-and-magnesium-blood-test","title":"Zinc and Magnesium Blood Test","description":"\u003cp\u003eThis panel measures both serum zinc and serum magnesium in a single blood draw, providing a combined assessment of two minerals that are frequently depleted together. Zinc and magnesium are both critical for immune function, muscle performance, hormonal health, and energy metabolism, and deficiency in one is often accompanied by deficiency in the other — particularly in athletes, individuals under physical or psychological stress, and those with poor dietary intake. This combined panel is recommended for anyone investigating fatigue, muscle cramps, impaired recovery, or poor immune function.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47852126634137,"sku":"BT-PANEL-NUTR-ZINCMAG","price":80.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/ZincandMagnesiumTest.png?v=1780594565"},{"product_id":"iron-including-ferritin-blood-test","title":"Iron Including Ferritin Blood Test","description":"\u003cp\u003eThis panel measures serum iron and serum ferritin to provide a clinically meaningful assessment of iron status. Serum iron reflects circulating iron levels, while ferritin — a storage protein — is the most sensitive marker of total body iron stores and is the first marker to decline in iron depletion. Together they are used to investigate iron deficiency anaemia, unexplained fatigue, hair loss, and impaired exercise performance, as well as to screen for iron overload. This test is appropriate for individuals with symptoms of anaemia, those with high physiological demands such as endurance athletes, and women of reproductive age with heavy menstrual bleeding.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47852129976473,"sku":"BT-PANEL-NUTR-IRON","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/IronincFerritinTest.png?v=1780595405"},{"product_id":"womens-health-blood-test-complete","title":"Women's Health Blood Test: Complete","description":"\u003cp\u003eOur most comprehensive women's health check. This advanced panel covers over 30 biomarkers across hormones, thyroid, fertility, blood, metabolism, liver, kidney, and inflammation — giving you a complete picture of your health in a single test.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47859272319129,"sku":"BT-CHECK-WOMENS-COMPLETE","price":799.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/WomensUltimatePerformanceTess-1_cc43382c-9f68-4279-90dd-336d9ce66967.png?v=1780512948"},{"product_id":"mens-health-blood-test-complete","title":"Men's Health Blood Test: Complete","description":"\u003cp\u003eOur most comprehensive men's health check. This advanced panel covers over 35 biomarkers across hormones, thyroid, fertility, blood, metabolism, liver, kidney, inflammation, and prostate — giving you a complete picture of your health in a single test.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47859624575129,"sku":"BT-CHECK-MENS-COMPLETE","price":799.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/Mens_73c696df-2582-4850-a5da-6092f16c6042.png?v=1780510974"},{"product_id":"hair-loss-blood-test","title":"Hair Loss Blood Test","description":"\u003cp\u003eHair loss in men is often driven by hormone imbalances, nutritional deficiencies, and thyroid dysfunction. This targeted panel measures the key blood markers linked to male pattern baldness and other causes of hair loss — giving you the information to take action on what's actually driving the problem.\u003c\/p\u003e","brand":"Online Blood Tests","offers":[{"title":"Default Title","offer_id":47859624935577,"sku":"BT-CHECK-MENS-HAIRLOSS","price":200.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0692\/5465\/files\/HairLossTest.png?v=1780593274"},{"product_id":"womens-performance-blood-test-complete","title":"Women's Performance Blood Test: Complete","description":"\u003cp class=\"p1\"\u003eAn advanced blood test panel for male athletes undertaking high training volumes or competitive sport. 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