{"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","url":"https:\/\/onlinebloodtests.com.au\/products\/vitamin-b12-blood-test","provider":"Online Blood Tests","version":"1.0","type":"link"}