{"title":"B12","description":"\u003cp\u003eBlood tests for B12 analysis, ranging from active B12 to broader vitamin panels. Collect the sample at home and send it to the laboratory; compare the included markers and how results are reported.\u003c\/p\u003e","products":[{"product_id":"aktivt-b12-test","title":"Active B12 Lab Test – At-Home Sampling","description":"\u003cp\u003eDo you want to measure the fraction of vitamin B12 that is available to the body's cells? This test analyzes holotranscobalamin—also known as active B12—using a liquid capillary blood sample collected at home. Results are displayed digitally in your personal health portal.\u003c\/p\u003e\u003ch2\u003eTest overview\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSample collection entirely at home\u003c\/li\u003e\n\u003cli\u003eLiquid capillary blood from the fingertip\u003c\/li\u003e\n\u003cli\u003eQuantitative laboratory values\u003c\/li\u003e\n\u003cli\u003eMedical laboratory accredited according to ISO 15189\u003c\/li\u003e\n\u003cli\u003eQuality assurance according to Rili-BÄK\u003c\/li\u003e\n\u003cli\u003eDigital results in your personal health portal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat does the test measure?\u003c\/h2\u003e\u003ch3\u003eHolotranscobalamin – active B12\u003c\/h3\u003e\u003cp\u003eHolotranscobalamin is vitamin B12 bound to the transport protein transcobalamin. This is the fraction that can be taken up by the body's cells; the marker can therefore provide information on the amount of biologically available B12.\u003c\/p\u003e\u003ch2\u003eCommon symptoms and when the test may be relevant\u003c\/h2\u003e\u003cp\u003eThe analysis may be relevant if there is a suspicion of insufficient B12 status, low intake, or factors affecting absorption, or for monitoring levels over time. A single value must be interpreted in the context of symptoms, diet, supplements, and other laboratory results.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003efatigue and weakness\u003c\/li\u003e\n\u003cli\u003etingling or numbness\u003c\/li\u003e\n\u003cli\u003edifficulty concentrating\u003c\/li\u003e\n\u003cli\u003epaleness\u003c\/li\u003e\n\u003cli\u003esore or burning tongue\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe symptoms are not specific to B12 deficiency and may have other causes.\u003c\/p\u003e\u003ch2\u003eWho is this test for?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFor those who want to measure active B12.\u003c\/li\u003e\n\u003cli\u003eFor those who follow a vegan diet or have a low intake of animal-based foods.\u003c\/li\u003e\n\u003cli\u003eFor those who want to track a previous B12 level.\u003c\/li\u003e\n\u003cli\u003eFor those who prefer home sampling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow the at-home lab test works\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder the test.\u003c\/strong\u003e You receive a complete sampling kit at home.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead the instructions.\u003c\/strong\u003e Prepare the materials and warm your hands to facilitate blood flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTake the sample at home.\u003c\/strong\u003e Prick your fingertip and collect liquid capillary blood in the sample tube according to the instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSend the sample.\u003c\/strong\u003e Label, seal, and pack the sample, then send it to the laboratory using the return materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory analysis.\u003c\/strong\u003e The sample is analyzed using a quality-assured laboratory method.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eView the result digitally.\u003c\/strong\u003e The laboratory result is displayed in your personal health portal.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eBefore sampling\u003c\/h2\u003e\u003cp\u003eFollow the instructions in the sampling kit. Dietary supplements can affect the result. Do not change prescribed medications or supplements without medical advice.\u003c\/p\u003e\u003ch2\u003eLaboratory and quality\u003c\/h2\u003e\u003cp\u003eThe sample is analyzed at a medical laboratory accredited according to ISO 15189. The laboratory's quality assurance also complies with Rili-BÄK, the German medical association's guideline for quality assurance in laboratory medicine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSample material: liquid capillary blood\u003c\/li\u003e\n\u003cli\u003eSample collection site: at home\u003c\/li\u003e\n\u003cli\u003eResult: digital laboratory report\u003c\/li\u003e\n\u003cli\u003eTurnaround time: transport time and the scope of the analysis affect the total time\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResults and reference values\u003c\/h2\u003e\u003cp\u003eYou will receive a quantitative result—including the laboratory's unit of measurement and the applicable reference ranges—in your personal health portal. Reference ranges can vary between laboratories and are sometimes influenced by individual factors. An abnormal result is not a diagnosis in itself.\u003c\/p\u003e\u003ch2\u003eDo you want to analyze both total and active B12?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/en\/products\/b12-test-komplett-total-och-aktiv-b12\"\u003eB12 Complete Lab Test\u003c\/a\u003e measures both total vitamin B12 and holotranscobalamin.\u003c\/p\u003e\u003ch2\u003eImportant information about the result\u003c\/h2\u003e\u003cp\u003eThe test provides information on the analyzed markers but does not provide a diagnosis and does not replace medical assessment or treatment. Contact a healthcare provider in the event of abnormal results, clear or persistent symptoms, or concerns.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions about active B12\u003c\/h2\u003e\u003ch3\u003eWhat is active B12?\u003c\/h3\u003e\u003cp\u003eActive B12 is vitamin B12 bound to transcobalamin; it is the form that can be taken up by the body's cells.\u003c\/p\u003e\u003ch3\u003eIs active B12 the same as total B12?\u003c\/h3\u003e\u003cp\u003eNo. Total B12 includes several protein-bound forms, whereas active B12 refers to holotranscobalamin.\u003c\/p\u003e\u003ch3\u003eCan B12 deficiency affect the nervous system?\u003c\/h3\u003e\u003cp\u003eYes, deficiency can be associated with neurological symptoms, among other things. Seek medical attention if you experience tingling, numbness, or other new neurological issues.\u003c\/p\u003e\u003ch3\u003eDo B12 supplements affect the test result?\u003c\/h3\u003e\u003cp\u003eYes, supplements can raise measured B12 levels, and this should be taken into account when interpreting the results.\u003c\/p\u003e\u003ch3\u003eHow do I receive the result?\u003c\/h3\u003e\u003cp\u003eYou will receive a digital laboratory report containing the value, unit, and the laboratory's current reference range.\u003c\/p\u003e","brand":"Quicktest Sverige","offers":[{"title":"Default Title","offer_id":58806187360640,"sku":"c6600196-3a44-4deb-96c2-aeecbafbea31","price":695.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/9199\/2448\/files\/56-aktivt-b12-test.png?v=1788471052"},{"product_id":"b12-test-komplett-total-och-aktiv-b12","title":"B12 Complete Lab Test – At-Home Sampling","description":"\u003cp\u003eDo you want a broader picture of your B12 status? B12 Complete measures both total vitamin B12 and holotranscobalamin, also known as active B12. You collect a liquid capillary blood sample at home and receive two quantitative laboratory values ​​digitally.\u003c\/p\u003e\u003ch2\u003eThe test in brief\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSample collection entirely at home\u003c\/li\u003e\n\u003cli\u003eLiquid capillary blood from the fingertip\u003c\/li\u003e\n\u003cli\u003eQuantitative laboratory values\u003c\/li\u003e\n\u003cli\u003eMedical laboratory accredited according to ISO 15189\u003c\/li\u003e\n\u003cli\u003eQuality assurance according to Rili-BÄK\u003c\/li\u003e\n\u003cli\u003eDigital results in your personal health portal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat does B12 Complete measure?\u003c\/h2\u003e\u003ch3\u003eVitamin B12\u003c\/h3\u003e\u003cp\u003eTotal B12 includes both bioavailable and protein-bound vitamin B12 in the blood. The vitamin is essential for functions such as the nervous system, normal blood cell formation, and cellular metabolism.\u003c\/p\u003e\u003ch3\u003eHolotranscobalamin – active B12\u003c\/h3\u003e\u003cp\u003eHolotranscobalamin is the fraction of vitamin B12 bound to the transport protein transcobalamin, which can be taken up by the body's cells. Active B12 can therefore provide complementary information to the total level.\u003c\/p\u003e\u003ch2\u003eCommon symptoms and when the test may be relevant\u003c\/h2\u003e\u003cp\u003eA B12 test may be relevant if you experience symptoms associated with deficiency, follow a diet with few or no animal products, have a condition affecting absorption, or wish to monitor a previous result. The symptoms are non-specific and can have many other causes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003efatigue and reduced energy\u003c\/li\u003e\n\u003cli\u003etingling or numbness\u003c\/li\u003e\n\u003cli\u003edifficulty concentrating\u003c\/li\u003e\n\u003cli\u003epaleness\u003c\/li\u003e\n\u003cli\u003esore or burning tongue\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeurological symptoms or severe fatigue should be evaluated by a healthcare professional.\u003c\/p\u003e\u003ch2\u003eWho is this test for?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFor those who want to analyze both total and active B12.\u003c\/li\u003e\n\u003cli\u003eFor those who follow a vegan or predominantly plant-based diet.\u003c\/li\u003e\n\u003cli\u003eFor those who want to monitor their B12 status over time.\u003c\/li\u003e\n\u003cli\u003eFor those experiencing symptoms and wanting a lab result to aid further assessment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow the at-home lab test works\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder the test.\u003c\/strong\u003e You receive a complete sample collection kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead the instructions.\u003c\/strong\u003e Prepare the materials and warm your hands to promote blood flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTake the sample at home.\u003c\/strong\u003e Prick your fingertip and collect liquid capillary blood in the sample tube according to the instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSend the sample.\u003c\/strong\u003e Label, seal, and pack the sample, then send it to the laboratory using the provided return materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory analysis.\u003c\/strong\u003e The sample is analyzed using a quality-assured laboratory method.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eView the result digitally.\u003c\/strong\u003e The laboratory result is displayed in your personal health portal.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eBefore sample collection\u003c\/h2\u003e\u003cp\u003eFollow the instructions in the sample collection kit. List any dietary supplements and medications if the service requests this information. Do not alter prescribed treatment prior to sample collection without consulting a healthcare professional.\u003c\/p\u003e\u003ch2\u003eLaboratory and quality\u003c\/h2\u003e\u003cp\u003eThe sample is analyzed at a medical laboratory accredited according to ISO 15189. The laboratory’s quality assurance also complies with Rili-BÄK—the German Medical Association’s guideline for quality assurance in laboratory medical testing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSample material: liquid capillary blood\u003c\/li\u003e\n\u003cli\u003eSampling location: at home\u003c\/li\u003e\n\u003cli\u003eResult: digital laboratory report\u003c\/li\u003e\n\u003cli\u003eTurnaround time: transport time and the scope of the analysis affect the total time\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResults and reference values\u003c\/h2\u003e\u003cp\u003eYou will receive a quantitative result, including the laboratory's unit of measurement and the applicable reference ranges, in your personal health portal. Reference ranges may vary between laboratories and can sometimes be influenced by individual factors. An abnormal result is not a diagnosis in itself.\u003c\/p\u003e\u003ch2\u003eDo you want to measure only active B12?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/en\/products\/aktivt-b12-test\"\u003eActive B12 Lab Test\u003c\/a\u003e measures holotranscobalamin as a single marker.\u003c\/p\u003e\u003ch2\u003eImportant information regarding the result\u003c\/h2\u003e\u003cp\u003eThe test provides information about the analyzed markers but does not provide a diagnosis and does not replace medical assessment or treatment. Contact a healthcare provider in the event of abnormal results, clear or persistent symptoms, or concerns.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions about B12 testing\u003c\/h2\u003e\u003ch3\u003eWhat is the difference between total and active B12?\u003c\/h3\u003e\u003cp\u003eTotal B12 encompasses several forms of the vitamin, whereas active B12 measures the fraction bound to transcobalamin that is available to the body's cells.\u003c\/p\u003e\u003ch3\u003eCan B12 deficiency cause fatigue?\u003c\/h3\u003e\u003cp\u003eYes, fatigue can occur with B12 deficiency, but it is a non-specific symptom that can have many other causes.\u003c\/p\u003e\u003ch3\u003eCan I develop a B12 deficiency if I follow a vegan diet?\u003c\/h3\u003e\u003cp\u003eVitamin B12 is naturally found primarily in animal-based foods. Those following a vegan diet generally need to ensure adequate intake through fortified foods or supplements.\u003c\/p\u003e\u003ch3\u003eCan dietary supplements affect the results?\u003c\/h3\u003e\u003cp\u003eYes, B12 supplements can influence measured levels. Interpret the results in the context of your intake, and do not alter prescribed supplements without medical advice.\u003c\/p\u003e\u003ch3\u003eCan the test diagnose B12 deficiency?\u003c\/h3\u003e\u003cp\u003eThe results provide important information but may need to be supplemented with other analyses and a medical assessment.\u003c\/p\u003e","brand":"Quicktest Sverige","offers":[{"title":"Default Title","offer_id":58806187426176,"sku":"21a44498-4748-4c57-bcb8-60d041400443","price":995.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/9199\/2448\/files\/57-b12-test-komplett-total-och-aktiv-b12.png?v=1788471052"},{"product_id":"vitamin-stor","title":"Comprehensive Vitamin Lab Test – At-Home Sampling","description":"\u003cp\u003eGet a comprehensive overview of Vitamin D, B12, and iron-related markers with at-home sampling. The test measures 25-OH-vitamin D, total B12, active B12, ferritin, and transferrin.\u003c\/p\u003e\u003ch2\u003eThe test at a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSample collection entirely at home\u003c\/li\u003e\n\u003cli\u003eLiquid capillary blood from the fingertip\u003c\/li\u003e\n\u003cli\u003eQuantitative laboratory values\u003c\/li\u003e\n\u003cli\u003eMedical laboratory accredited according to ISO 15189\u003c\/li\u003e\n\u003cli\u003eQuality assurance according to Rili-BÄK\u003c\/li\u003e\n\u003cli\u003eDigital results in a personal health portal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat does the test measure?\u003c\/h2\u003e\u003ch3\u003e25-OH-vitamin D\u003c\/h3\u003e\u003cp\u003eThe marker used to assess the body's Vitamin D status.\u003c\/p\u003e\u003ch3\u003eVitamin B12\u003c\/h3\u003e\u003cp\u003eTotal B12 includes several protein-bound forms of the vitamin.\u003c\/p\u003e\u003ch3\u003eHolotranscobalamin – active B12\u003c\/h3\u003e\u003cp\u003eThe fraction of B12 bound to transcobalamin that can be taken up by the body's cells.\u003c\/p\u003e\u003ch3\u003eFerritin\u003c\/h3\u003e\u003cp\u003eFerritin is used as a marker for the body's iron stores but can also be affected by inflammation.\u003c\/p\u003e\u003ch3\u003eTransferrin\u003c\/h3\u003e\u003cp\u003eTransferrin is the primary transport protein for iron in the blood.\u003c\/p\u003e\u003ch2\u003eCommon symptoms and when the test may be relevant\u003c\/h2\u003e\u003cp\u003eThe profile provides a broader basis for assessment in cases of fatigue, a restricted diet, or low sun exposure, or when you wish to monitor previous vitamin and iron-related levels.\u003c\/p\u003e\u003cp\u003eDeficiencies can manifest alongside symptoms such as fatigue, reduced energy, muscle weakness, tingling, or numbness. These symptoms are non-specific and can have many other causes.\u003c\/p\u003e\u003ch2\u003eWho is this test for?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFor those who want to check levels of vitamin D, B12, and iron-related markers simultaneously.\u003c\/li\u003e\n\u003cli\u003eFor those following a restricted or predominantly plant-based diet.\u003c\/li\u003e\n\u003cli\u003eFor those wishing to monitor the effects of supplements or track previous levels in consultation with a healthcare professional.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow the test works\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eOrder the test and receive the sampling kit at home.\u003c\/li\u003e\n\u003cli\u003eRead the instructions and complete any necessary preparations.\u003c\/li\u003e\n\u003cli\u003ePrick your fingertip and collect liquid capillary blood in the provided test tube.\u003c\/li\u003e\n\u003cli\u003eLabel, pack, and send the sample to the laboratory.\u003c\/li\u003e\n\u003cli\u003eThe laboratory analyzes the included markers.\u003c\/li\u003e\n\u003cli\u003eView your digital laboratory result in your personal health portal.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eBefore sample collection\u003c\/h2\u003e\u003cp\u003eFollow the instructions in the sample collection kit. Dietary supplements can affect the result. Do not alter prescribed treatment without medical advice.\u003c\/p\u003e\u003ch2\u003eLaboratory and quality\u003c\/h2\u003e\u003cp\u003eThe sample is analyzed at a medical laboratory accredited according to ISO 15189. The laboratory's quality assurance also adheres to Rili-BÄK guidelines for laboratory medical testing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSample material: liquid capillary blood\u003c\/li\u003e\n\u003cli\u003eCollection site: at home\u003c\/li\u003e\n\u003cli\u003eResult: digital laboratory result\u003c\/li\u003e\n\u003cli\u003eTurnaround time: transport time and the scope of the analysis affect the total time\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResults and reference values\u003c\/h2\u003e\u003cp\u003eThe result displays the analyzed markers and any calculated values, along with the laboratory's units and current reference intervals. Results should be interpreted in the context of age, gender, symptoms, medications, lifestyle habits, and medical history.\u003c\/p\u003e\u003ch2\u003eImportant information about the result\u003c\/h2\u003e\u003cp\u003eA health check can identify abnormal laboratory values ​​but does not provide a medical diagnosis or rule out disease. Contact a healthcare provider in the event of significantly abnormal results, persistent symptoms, or concerns.\u003c\/p\u003e\u003ch2\u003eResults and reference values\u003c\/h2\u003e\u003cp\u003eYou will receive five quantitative laboratory values, including the laboratory's units and current reference intervals. Ferritin levels can be affected by inflammation, and results should be evaluated in conjunction with symptoms, diet, supplements, and medical history.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich markers are included?\u003c\/h3\u003e\u003cp\u003e25-OH-vitamin D, total B12, active B12, ferritin, and transferrin.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between total and active B12?\u003c\/h3\u003e\u003cp\u003eTotal B12 encompasses several forms, whereas active B12 represents the fraction available to the cells.\u003c\/p\u003e\u003ch3\u003eCan ferritin levels be affected by inflammation?\u003c\/h3\u003e\u003cp\u003eYes, ferritin levels can rise during inflammation and infection.\u003c\/p\u003e\u003ch3\u003eCan dietary supplements affect the results?\u003c\/h3\u003e\u003cp\u003eYes. The result should be interpreted with regard to the supplements you are taking.\u003c\/p\u003e\u003ch3\u003eCan the test diagnose a deficiency?\u003c\/h3\u003e\u003cp\u003eThe values ​​provide information but may need to be supplemented and medically evaluated.\u003c\/p\u003e","brand":"Quicktest Sverige","offers":[{"title":"Default Title","offer_id":58861945880960,"sku":"77b25f83-90f9-47ed-a335-95ddd6884b71","price":1495.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/9199\/2448\/files\/vitamin-stor.png?v=1788531650"}],"url":"https:\/\/quicktest.fi\/en\/collections\/health-tests-vitamins-and-nutritional-status-b12.oembed","provider":"Quicktest","version":"1.0","type":"link"}