{"product_id":"vitamins-minerals","title":"Home Vitamin Deficiency Test Kit UK - Vitamins, Minerals \u0026 Iron","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cmeta content=\"width=device-width, initial-scale=1\" name=\"viewport\"\u003e\u003cmeta content=\"Order a home vitamin deficiency test kit in the UK. UKAS accredited and CQC registered labs check vitamin D, B12, folate, magnesium and iron.\" name=\"description\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  .vm_product {\n    --vm_ink: #2f2a28;\n    --vm_muted: #6f625d;\n    --vm_taupe: #786863;\n    --vm_taupe_dark: #5e4c46;\n    --vm_cream: #f5eee3;\n    --vm_line: #ded2c5;\n    --vm_white: #ffffff;\n    --vm_green_bg: #e8f3e9;\n    --vm_green_text: #345f3f;\n    --vm_amber_bg: #fff1cf;\n    --vm_amber_text: #7b5715;\n    --vm_orange_bg: #f9e7d7;\n    --vm_orange_text: #8a4d2d;\n    --vm_red_bg: #f8dfdf;\n    --vm_red_text: #8f3535;\n    --vm_blue_bg: #e8eef4;\n    --vm_blue_text: #405c72;\n    color: var(--vm_ink);\n    font-family: inherit;\n    font-size: 16px;\n    line-height: 1.7;\n    margin: 0 auto;\n    max-width: 1120px;\n  }\n\n  .vm_product * { box-sizing: border-box; }\n\n  .vm_product h2,\n  .vm_product h3,\n  .vm_product h4 {\n    color: var(--vm_ink);\n    line-height: 1.2;\n    margin-top: 0;\n  }\n\n  .vm_product h2 {\n    font-family: Georgia, \"Times New Roman\", serif;\n    font-size: clamp(32px, 5vw, 54px);\n    font-weight: 500;\n    margin-bottom: 18px;\n  }\n\n  .vm_product h3 {\n    font-family: Georgia, \"Times New Roman\", serif;\n    font-size: clamp(25px, 3vw, 34px);\n    font-weight: 500;\n    margin-bottom: 16px;\n  }\n\n  .vm_product h4 { font-size: 18px; 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}\n\n  .vm_faq details {\n    border-bottom: 1px solid var(--vm_line);\n    padding: 14px 0;\n  }\n\n  .vm_faq details:last-child { border-bottom: 0; }\n\n  .vm_faq summary {\n    cursor: pointer;\n    font-weight: 700;\n  }\n\n  .vm_faq details p { margin-top: 12px; }\n\n  .vm_footer_note {\n    background: var(--vm_taupe_dark);\n    border-radius: 16px;\n    color: #ffffff;\n    padding: 24px;\n  }\n\n  .vm_footer_note h3,\n  .vm_footer_note strong { color: #ffffff; }\n\n  @media (max-width: 900px) {\n    .vm_grid,\n    .vm_method_grid,\n    .vm_trust_grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }\n\n    .vm_steps,\n    .vm_review_grid { grid-template-columns: 1fr; }\n\n    .vm_review_meta { grid-template-columns: 1fr; }\n  }\n\n  @media (max-width: 540px) {\n    .vm_grid,\n    .vm_method_grid,\n    .vm_trust_grid { grid-template-columns: 1fr; }\n\n    .vm_product { font-size: 15px; }\n\n    .vm_biomarker summary {\n      font-size: 16px;\n      padding: 16px;\n    }\n\n    .vm_biomarker_body { padding: 18px 15px 21px; }\n\n    .vm_review_avatar {\n      flex-basis: 78px !important;\n      height: 78px !important;\n      max-height: 78px !important;\n      max-width: 78px !important;\n      min-height: 78px !important;\n      min-width: 78px !important;\n      width: 78px !important;\n    }\n  }\n\u003c\/style\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003carticle class=\"vm_product\"\u003e\n\u003csection class=\"vm_hero\"\u003e\n\u003cp class=\"vm_eyebrow\"\u003eAt home vitamin, mineral and iron blood test\u003c\/p\u003e\n\u003ch2\u003eHome Vitamin Deficiency Test Kit UK | Vitamins, Minerals \u0026amp; Iron\u003c\/h2\u003e\n\u003cp class=\"vm_lead\"\u003e\u003cstrong\u003eA 9 biomarker home blood test covering vitamin D, active vitamin B12, folate, magnesium and a detailed iron profile.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe panel provides selected nutritional marker context relevant to blood health, bones, muscles, nerves and general wellbeing. It combines vitamin and mineral markers with ferritin, serum iron, TIBC, UIBC and transferrin saturation.\u003c\/p\u003e\n\u003cdiv class=\"vm_grid\"\u003e\n\u003cdiv class=\"vm_stat\"\u003e\n\u003cstrong\u003e9 biomarkers\u003c\/strong\u003e\u003cspan\u003eVitamins, magnesium and a detailed iron profile\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_stat\"\u003e\n\u003cstrong\u003eHome collection\u003c\/strong\u003e\u003cspan\u003eCapillary blood collected into the supplied microtainer\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_stat\"\u003e\n\u003cstrong\u003eUK laboratory pathway\u003c\/strong\u003e\u003cspan\u003eUKAS accredited and CQC registered laboratory processing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_stat\"\u003e\n\u003cstrong\u003eProduct code\u003c\/strong\u003e\u003cspan\u003eC1BLP18200\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_notice\"\u003e\n\u003cstrong\u003eImportant limitation\u003c\/strong\u003e\n\u003cp\u003eThis test does not diagnose anaemia, malabsorption, iron overload or the cause of a low nutrient result by itself. It does not include a full blood count, inflammatory markers or every vitamin and mineral.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_warning\"\u003e\n\u003cstrong\u003eDo not wait for test results if symptoms feel urgent\u003c\/strong\u003e\n\u003cp\u003eSeek prompt medical help for severe weakness, chest pain, severe breathlessness, collapse, confusion, seizures, new numbness, walking difficulty, black stools, visible blood loss or severe persistent vomiting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003cp class=\"vm_eyebrow\"\u003eQuality and compliance\u003c\/p\u003e\n\u003ch3\u003eHome testing supported by UK clinical standards\u003c\/h3\u003e\n\u003cdiv class=\"vm_trust_grid\"\u003e\n\u003cdiv class=\"vm_trust_item\"\u003e\n\u003cstrong\u003eUKAS accredited laboratories\u003c\/strong\u003e \u003cspan\u003eMedical laboratory accreditation assesses quality, competence and diagnostic performance.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_trust_item\"\u003e\n\u003cstrong\u003eCQC registered services\u003c\/strong\u003e \u003cspan\u003eThe diagnostic pathway uses organisations registered with the Care Quality Commission.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_trust_item\"\u003e\n\u003cstrong\u003eCompliant collection equipment\u003c\/strong\u003e \u003cspan\u003eUKCA and CE marked equipment supported by an ISO 13485 quality management framework.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_trust_item\"\u003e\n\u003cstrong\u003eSecure results\u003c\/strong\u003e \u003cspan\u003eClear collection guidance, secure result delivery and escalation support where required.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003ch3\u003eWhat this vitamin deficiency test kit measures\u003c\/h3\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eHealth area\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eBiomarkers\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat they may help show\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVitamin status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 hydroxyvitamin D, active vitamin B12 and serum folate\u003c\/td\u003e\n\u003ctd\u003eSelected vitamin markers relevant to bone, muscle, nerve and red blood cell health.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMineral status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSerum magnesium\u003c\/td\u003e\n\u003ctd\u003eThe amount of magnesium circulating in the blood at the time of testing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIron stores\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFerritin\u003c\/td\u003e\n\u003ctd\u003eA principal marker of stored iron, with important limitations during inflammation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIron transport and availability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSerum iron, TIBC, UIBC and transferrin saturation\u003c\/td\u003e\n\u003ctd\u003eA broader view of circulating iron, binding capacity and transferrin occupancy.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003ch3\u003eWho may consider this test?\u003c\/h3\u003e\n\u003cp\u003eThis panel may be considered by adults who want to review selected nutritional markers in the context of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePersistent tiredness, weakness or reduced energy\u003c\/li\u003e\n\u003cli\u003eA restrictive, vegan or vegetarian diet\u003c\/li\u003e\n\u003cli\u003eHeavy menstrual bleeding or previous low iron stores\u003c\/li\u003e\n\u003cli\u003eLimited sunlight exposure or increased vitamin D risk\u003c\/li\u003e\n\u003cli\u003eMuscle cramps, weakness or possible magnesium concerns\u003c\/li\u003e\n\u003cli\u003eLong term proton pump inhibitor, metformin or other medicine use\u003c\/li\u003e\n\u003cli\u003eGastrointestinal disease, surgery or possible malabsorption\u003c\/li\u003e\n\u003cli\u003eMonitoring requested by a GP or another qualified clinician\u003c\/li\u003e\n\u003cli\u003eReviewing supplements before increasing the dose\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePregnancy, breastfeeding, known kidney disease, an iron overload condition or prescribed high dose supplementation require individual clinical advice.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003ch3\u003eHow the home vitamin and mineral test works\u003c\/h3\u003e\n\u003cdiv class=\"vm_steps\"\u003e\n\u003cdiv class=\"vm_step\"\u003e\n\u003cspan class=\"vm_step_number\"\u003e1\u003c\/span\u003e\n\u003ch4\u003eReview supplements and medicines\u003c\/h4\u003e\n\u003cp\u003eRecord vitamins, minerals, iron, injections and medicines that may affect the results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_step\"\u003e\n\u003cspan class=\"vm_step_number\"\u003e2\u003c\/span\u003e\n\u003ch4\u003eCollect and return\u003c\/h4\u003e\n\u003cp\u003eCollect capillary blood into the supplied microtainer and return it using the provided packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_step\"\u003e\n\u003cspan class=\"vm_step_number\"\u003e3\u003c\/span\u003e\n\u003ch4\u003eReview the complete pattern\u003c\/h4\u003e\n\u003cp\u003eUse the laboratory reference intervals and discuss low, high or discordant results with a clinician.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003ch3\u003ePreparing for the test\u003c\/h3\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003ePreparation\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFasting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFollow the kit instructions. Serum iron can vary with meals, so morning collection before food may be recommended for consistency.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupplements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecord vitamin D, B12, folic acid, iron, magnesium, multivitamins and recent injections. Do not stop prescribed treatment without advice.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecent iron treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIron tablets, infusions, transfusions and injections can affect serum iron, ferritin and transferrin saturation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInflammation or infection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFerritin may rise and serum iron may fall during inflammation. A clinician may recommend CRP or repeat testing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedicines\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecord metformin, proton pump inhibitors, anticonvulsants, methotrexate, diuretics, antacids and laxatives.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKidney disease\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKidney function affects magnesium and the interpretation of iron markers. Seek clinical advice before changing supplements.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePregnancy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePregnancy changes nutrient requirements and reference intervals. Results should be reviewed by a midwife, GP or obstetric team.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003ch3\u003eUnderstanding the iron profile\u003c\/h3\u003e\n\u003cp\u003eIron markers should be interpreted as a pattern. The examples below are simplified and do not replace clinical assessment.\u003c\/p\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003ePossible pattern\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMarkers that may be seen\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eImportant qualification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDepleted iron stores\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow ferritin, low TSAT, lower serum iron and higher TIBC or UIBC.\u003c\/td\u003e\n\u003ctd\u003eA full blood count is required to determine whether anaemia is present.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInflammation related pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormal or high ferritin with low serum iron, low TSAT and low or normal TIBC.\u003c\/td\u003e\n\u003ctd\u003eFerritin may be raised by inflammation and can mask iron deficiency.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePossible iron overload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRaised serum iron or TSAT with low or normal TIBC, sometimes with raised ferritin.\u003c\/td\u003e\n\u003ctd\u003eRepeat fasting tests, liver tests and genetic assessment may be required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecent supplementation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemporarily raised serum iron or TSAT, with ferritin depending on longer term stores.\u003c\/td\u003e\n\u003ctd\u003eRecord the dose and timing before collection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section\"\u003e\n\u003ch3\u003eBiomarkers and result interpretation\u003c\/h3\u003e\n\u003cp\u003eSelect each marker to read what it measures, preparation guidance and how low, normal, high or indeterminate results may be considered.\u003c\/p\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eTransferrin saturation\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eTransferrin saturation, often shortened to TSAT, estimates the percentage of iron binding sites on transferrin that are occupied. It is calculated from serum iron and TIBC.\u003c\/p\u003e\n\u003cp\u003eLow TSAT may support iron deficiency, while a persistently high result may require assessment for iron overload. It should be interpreted with ferritin, TIBC, UIBC, inflammation, liver health and any supplement use.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord iron tablets, multivitamins, injections and recent transfusions. Serum iron can vary with meals and time of day, so follow the collection instructions. Do not stop prescribed iron without medical advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA low result may occur with iron deficiency, chronic blood loss, poor absorption, inflammation or increased iron requirements.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the complete iron pattern with a GP. A full blood count may also be required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the laboratory reference interval.\u003c\/td\u003e\n\u003ctd\u003eInterpret it with ferritin and the other iron studies.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA high result may occur with excessive supplementation, recent iron treatment, hereditary haemochromatosis, liver disease or other causes.\u003c\/td\u003e\n\u003ctd\u003eDiscuss a persistent or unexplained result with a clinician.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eActive vitamin B12\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eActive vitamin B12, also called holotranscobalamin, measures the portion of vitamin B12 available for cells to use. Vitamin B12 supports normal red blood cell formation and neurological function.\u003c\/p\u003e\n\u003cp\u003eLow levels may be related to autoimmune gastritis, diet, gastrointestinal disease, surgery, metformin, proton pump inhibitors, nitrous oxide exposure or other causes. Neurological symptoms can occur without anaemia.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord vitamin B12 tablets, fortified products, injections, metformin, proton pump inhibitors and nitrous oxide use. Do not delay medical care for neurological symptoms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAn active B12 result below 25 pmol\/L is consistent with vitamin B12 deficiency under NICE guidance.\u003c\/td\u003e\n\u003ctd\u003eArrange GP review, particularly if numbness, balance problems, memory changes or weakness are present.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_info\"\u003eIndeterminate\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAn active B12 result from 25 to 70 pmol\/L is considered indeterminate and possible deficiency remains.\u003c\/td\u003e\n\u003ctd\u003eA clinician may consider symptoms, risk factors and further testing such as methylmalonic acid.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA result above 70 pmol\/L makes vitamin B12 deficiency less likely.\u003c\/td\u003e\n\u003ctd\u003ePersistent symptoms still need a wider medical assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh active B12 commonly reflects supplements or injections. Unexplained elevation may also occur with liver, kidney or blood conditions.\u003c\/td\u003e\n\u003ctd\u003eDiscuss an unexplained high result with your GP.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eFerritin\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eFerritin is the main laboratory marker used to estimate stored iron. A low result strongly supports depleted iron stores.\u003c\/p\u003e\n\u003cp\u003eFerritin is also an acute phase protein and may rise during inflammation, infection, liver disease and other conditions. A normal or high result can therefore sometimes mask iron deficiency.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord iron tablets, multivitamins, injections and recent transfusions. Serum iron can vary with meals and time of day, so follow the collection instructions. Do not stop prescribed iron without medical advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eLow ferritin indicates depleted iron stores. NICE guidance states that a result below 30 micrograms per litre confirms iron deficiency in adults.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the cause with a GP. Blood loss, diet, absorption and a full blood count may need assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the reference interval.\u003c\/td\u003e\n\u003ctd\u003eConsider it with symptoms, TSAT, inflammation and the full blood count where available.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh ferritin may occur with inflammation, infection, liver disease, alcohol use, metabolic conditions, iron overload or supplementation.\u003c\/td\u003e\n\u003ctd\u003eDo not assume iron overload from ferritin alone. Discuss the pattern with a clinician.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eSerum iron\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eSerum iron measures the amount of iron circulating in the blood at the time of collection. Iron is needed to produce haemoglobin, but serum iron varies with meals, time of day, supplements and illness.\u003c\/p\u003e\n\u003cp\u003eIt should not be used alone to diagnose iron deficiency or haemochromatosis.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord iron tablets, multivitamins, injections and recent transfusions. Serum iron can vary with meals and time of day, so follow the collection instructions. Do not stop prescribed iron without medical advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eLow serum iron may occur with iron deficiency, inflammation, chronic illness, blood loss or poor absorption.\u003c\/td\u003e\n\u003ctd\u003eInterpret it with ferritin, TIBC, UIBC, TSAT and a full blood count.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the laboratory interval.\u003c\/td\u003e\n\u003ctd\u003eA normal serum iron result does not exclude depleted iron stores.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh serum iron may reflect recent supplements, iron treatment, transfusion, liver disease, haemolysis or iron overload.\u003c\/td\u003e\n\u003ctd\u003eDiscuss an unexpected result with a clinician.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\" open=\"\"\u003e\n\u003csummary\u003e25 hydroxyvitamin D\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003e25 hydroxyvitamin D is the principal blood marker used to assess vitamin D status. Vitamin D supports calcium and phosphate regulation and normal bones, teeth and muscles.\u003c\/p\u003e\n\u003cp\u003eLow levels are more common during autumn and winter, with limited sunlight exposure, darker skin, covering most of the skin, poor absorption or increased requirements.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord vitamin D supplements, multivitamins, prescribed loading doses and calcium supplements. Tell the provider about kidney disease, sarcoidosis, parathyroid conditions and pregnancy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_critical\"\u003eSeverely deficient\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA very low result requires assessment of the cause and any related bone, muscle or calcium problems.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the result promptly with a clinician.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eDeficient\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 25 nmol\/L is generally regarded in UK guidance as deficient.\u003c\/td\u003e\n\u003ctd\u003eDiscuss treatment and the reason for deficiency with a doctor or pharmacist.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eInsufficient\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA result from 25 to 50 nmol\/L may be inadequate for some people.\u003c\/td\u003e\n\u003ctd\u003eReview risk factors, diet, sunlight exposure and suitable supplementation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eAdequate\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAbove 50 nmol\/L is sufficient for most people according to current UK laboratory guidance.\u003c\/td\u003e\n\u003ctd\u003eAvoid unnecessary high dose supplementation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the laboratory reference interval.\u003c\/td\u003e\n\u003ctd\u003eMaintain sensible dietary and supplementation measures.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eOptimal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within a range described as favourable by the reporting laboratory.\u003c\/td\u003e\n\u003ctd\u003eMore is not necessarily better. Avoid excessive doses.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh vitamin D is usually caused by excessive supplementation and may raise calcium.\u003c\/td\u003e\n\u003ctd\u003eStop non prescribed high dose supplements and arrange medical review.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_critical\"\u003eConsider toxicity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eVery high vitamin D may cause nausea, thirst, frequent urination, weakness, confusion, kidney problems and abnormal heart rhythm.\u003c\/td\u003e\n\u003ctd\u003eSeek immediate medical advice.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eMagnesium\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eMagnesium supports normal nerve, muscle, heart and bone function. This test measures magnesium circulating in serum or plasma.\u003c\/p\u003e\n\u003cp\u003eMost magnesium is stored inside cells and bones, so a normal serum result does not exclude every magnesium related problem. Kidney function and medicines are important when interpreting high or low levels.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eFasting is not usually required. Record magnesium supplements, antacids, laxatives, proton pump inhibitors, diuretics and kidney disease.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_critical\"\u003eCritical low\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eSevere hypomagnesaemia can cause seizures, muscle spasm and abnormal heart rhythms. UK guidance commonly regards below 0.5 mmol\/L as severe.\u003c\/td\u003e\n\u003ctd\u003eSeek urgent medical review.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow the laboratory range may occur with poor intake, diarrhoea, malabsorption, alcohol use, diuretics, proton pump inhibitors or kidney losses.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the result with your GP.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA typical adult serum reference interval is approximately 0.7 to 1.0 mmol\/L, although the reporting laboratory range takes priority.\u003c\/td\u003e\n\u003ctd\u003ePersistent symptoms may need wider electrolyte and medical assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh magnesium is uncommon and may occur with kidney impairment or excessive magnesium containing medicines and supplements.\u003c\/td\u003e\n\u003ctd\u003eStop non prescribed magnesium and discuss the result with a clinician.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_critical\"\u003eCritical high\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA very high result can affect breathing, blood pressure, consciousness and heart rhythm.\u003c\/td\u003e\n\u003ctd\u003eSeek urgent medical review.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eTotal iron binding capacity\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eTotal iron binding capacity, known as TIBC, estimates how much iron the proteins in the blood could bind. It mainly reflects transferrin, the principal iron transport protein.\u003c\/p\u003e\n\u003cp\u003eTIBC often rises when iron stores are low. It may be lower with inflammation, liver disease, poor nutrition or iron overload.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord iron tablets, multivitamins, injections and recent transfusions. Serum iron can vary with meals and time of day, so follow the collection instructions. Do not stop prescribed iron without medical advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eLow TIBC may occur with inflammation, liver disease, poor nutrition, kidney disease or iron overload.\u003c\/td\u003e\n\u003ctd\u003eInterpret it with ferritin, serum iron and TSAT.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the laboratory reference interval.\u003c\/td\u003e\n\u003ctd\u003eReview the complete iron pattern rather than TIBC alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh TIBC commonly occurs when iron stores are depleted and may also be influenced by pregnancy or oestrogen treatment.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the result with a GP if ferritin or TSAT is also low.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eUnsaturated iron binding capacity\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eUnsaturated iron binding capacity, known as UIBC, estimates the amount of transferrin binding capacity that is not currently occupied by iron.\u003c\/p\u003e\n\u003cp\u003eUIBC is used with serum iron to calculate TIBC and transferrin saturation. It is most useful as part of the complete iron profile.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord iron tablets, multivitamins, injections and recent transfusions. Serum iron can vary with meals and time of day, so follow the collection instructions. Do not stop prescribed iron without medical advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eLow UIBC may occur when more binding sites are occupied, including with high serum iron, recent supplementation or possible iron overload. It may also fall with low transferrin.\u003c\/td\u003e\n\u003ctd\u003eInterpret it with ferritin, serum iron and TSAT.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the laboratory reference interval.\u003c\/td\u003e\n\u003ctd\u003eConsider the overall iron pattern.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh UIBC may occur when many binding sites remain unoccupied, which is commonly seen with low iron stores.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the complete iron profile with a GP.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"vm_biomarker\"\u003e\n\u003csummary\u003eSerum folate\u003c\/summary\u003e\n\u003cdiv class=\"vm_biomarker_body\"\u003e\n\u003cp\u003eFolate, also called vitamin B9, supports cell division and normal red blood cell production. Serum folate is influenced by recent diet and supplementation.\u003c\/p\u003e\n\u003cp\u003eLow folate may reflect poor intake, alcohol use, increased requirements, malabsorption or medicines. Vitamin B12 status should be considered before high dose folic acid treatment because folic acid can improve anaemia while neurological B12 complications continue.\u003c\/p\u003e\n\u003cdiv class=\"vm_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eRecord folic acid, pregnancy vitamins, anticonvulsants, methotrexate and recent dietary supplements. People trying to conceive should follow current UK folic acid advice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"vm_table_wrap\"\u003e\n\u003ctable class=\"vm_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_critical\"\u003eCritical low\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA very low result may be associated with significant deficiency, poor intake, malabsorption, pregnancy related demand, alcohol use or medicine effects.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the result promptly with a doctor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eLow folate may contribute to abnormal red blood cell formation and symptoms such as tiredness, weakness or a sore tongue.\u003c\/td\u003e\n\u003ctd\u003eSee your GP to assess the cause and check vitamin B12 and a full blood count.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eThe result falls within the laboratory reference interval.\u003c\/td\u003e\n\u003ctd\u003ePersistent symptoms still require wider assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh folate most commonly reflects folic acid supplements or fortified foods.\u003c\/td\u003e\n\u003ctd\u003eReview supplement use and ensure vitamin B12 has been assessed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"vm_status vm_critical\"\u003eCritical high\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA markedly high result may reflect prolonged high dose folic acid use. The clinical importance depends on vitamin B12 status and symptoms.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the result and supplement dose with a doctor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection id=\"content-standards\" class=\"vm_section\"\u003e\n\u003cp class=\"vm_eyebrow\"\u003eContent standards\u003c\/p\u003e\n\u003ch3\u003eHow this product information was prepared\u003c\/h3\u003e\n\u003cp\u003eThis page was prepared from the supplied nine marker product specification and expanded using current UK guidance on vitamin B12, vitamin D, iron studies, folate, magnesium and accredited laboratory testing.\u003c\/p\u003e\n\u003cdiv class=\"vm_method_grid\"\u003e\n\u003cdiv class=\"vm_method_item\"\u003e\n\u003cstrong\u003ePrimary product source\u003c\/strong\u003e \u003cspan\u003eThe supplied biomarkers, preparation information, clinical limits, result categories and product code.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_method_item\"\u003e\n\u003cstrong\u003eUK clinical references\u003c\/strong\u003e \u003cspan\u003eNICE and NHS laboratory guidance used for active B12, vitamin D, magnesium and iron interpretation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_method_item\"\u003e\n\u003cstrong\u003eClinical boundaries\u003c\/strong\u003e \u003cspan\u003eThe page distinguishes selected nutrient markers from a diagnosis of anaemia, malabsorption or iron overload.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_method_item\"\u003e\n\u003cstrong\u003eReview policy\u003c\/strong\u003e \u003cspan\u003eMedical and editorial review at least annually and earlier when biomarkers, laboratory methods or UK guidance changes.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"medical-review\" class=\"vm_section\"\u003e\n\u003cp class=\"vm_eyebrow\"\u003eExpert review\u003c\/p\u003e\n\u003ch3\u003eMedical and editorial review\u003c\/h3\u003e\n\u003cp\u003eThis product information has been reviewed for nutritional and iron marker context, preparation guidance, medical limitations, patient safety and responsible interpretation.\u003c\/p\u003e\n\u003cp\u003eThe review applies to general product information. It is not personal medical advice and does not replace a GP assessment, full blood count or investigation of the cause of an abnormal result.\u003c\/p\u003e\n\u003cdiv class=\"vm_review_grid\"\u003e\n\u003carticle class=\"vm_review_card\"\u003e\n\u003cdiv class=\"vm_review_card_top\"\u003e\n\u003cdiv role=\"img\" class=\"vm_review_avatar vm_review_avatar_rimas\" aria-label=\"Portrait of Dr Rimas Geiga\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"vm_review_label\"\u003eMedical review\u003c\/span\u003e\n\u003ch4 class=\"vm_review_name\"\u003eDr Rimas Geiga\u003c\/h4\u003e\n\u003cp class=\"vm_review_title\"\u003eMedical Doctor, Nutritional Sciences Adviser and Healthy Ageing Expert\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"vm_review_scope\"\u003eReviewed the vitamin, magnesium, iron, nutritional sciences and responsible supplementation context.\u003c\/p\u003e\n\u003ca href=\"https:\/\/ht10f0-c0.myshopify.com\/pages\/dr-rimas-geiga-medical-doctor-nutritional-sciences-adviser-and-healthy-ageing-expert\" class=\"vm_review_link\"\u003eView professional profile\u003c\/a\u003e\u003c\/article\u003e\n\u003carticle class=\"vm_review_card\"\u003e\n\u003cdiv class=\"vm_review_card_top\"\u003e\n\u003cdiv role=\"img\" class=\"vm_review_avatar vm_review_avatar_snieguole\" aria-label=\"Portrait of Dr Snieguole Geige\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"vm_review_label\"\u003eMedical review\u003c\/span\u003e\n\u003ch4 class=\"vm_review_name\"\u003eDr Snieguole Geige\u003c\/h4\u003e\n\u003cp class=\"vm_review_title\"\u003eDentist, Medical Doctor and Senior Adviser\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"vm_review_scope\"\u003eReviewed the general medical boundaries, neurological symptom guidance, patient communication and advice on when direct clinical assessment is required.\u003c\/p\u003e\n\u003ca href=\"https:\/\/ht10f0-c0.myshopify.com\/pages\/dr-snieguole-geige-dentist-medical-doctor-and-senior-adviser\" class=\"vm_review_link\"\u003eView professional profile\u003c\/a\u003e\u003c\/article\u003e\n\u003carticle class=\"vm_review_card\"\u003e\n\u003cdiv class=\"vm_review_card_top\"\u003e\n\u003cdiv role=\"img\" class=\"vm_review_avatar vm_review_avatar_veronika\" aria-label=\"Portrait of Veronika Matutyte\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"vm_review_label\"\u003eClinical and safety review\u003c\/span\u003e\n\u003ch4 class=\"vm_review_name\"\u003eVeronika Matutyte\u003c\/h4\u003e\n\u003cp class=\"vm_review_title\"\u003eMedical Doctor and Healthcare Management Expert\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"vm_review_scope\"\u003eReviewed urgent symptom guidance, kidney and medicine considerations, clinical limitations and the safety of the home testing pathway.\u003c\/p\u003e\n\u003ca href=\"https:\/\/ht10f0-c0.myshopify.com\/pages\/veronika-matutyte-medical-doctor-and-healthcare-management-expert\" class=\"vm_review_link\"\u003eView professional profile\u003c\/a\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vm_review_meta\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLast medically reviewed\u003c\/strong\u003e \u003cspan\u003e26 July 2026\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReview cycle\u003c\/strong\u003e \u003cspan\u003eAt least once each year\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEarlier review\u003c\/strong\u003e \u003cspan\u003eWhen laboratory methods, biomarker guidance, collection standards or safety advice changes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"vm_board_link\"\u003e\u003ca href=\"https:\/\/ht10f0-c0.myshopify.com\/pages\/medical-advisory-board\"\u003eMeet the Grace Belgravia Medical Advisory Board\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section vm_sources\"\u003e\n\u003cp class=\"vm_eyebrow\"\u003eFurther reading\u003c\/p\u003e\n\u003ch3\u003eAuthoritative UK vitamin, mineral and iron information\u003c\/h3\u003e\n\u003cp\u003eThese resources provide additional context. They do not replace the instructions, units, reference intervals or comments supplied with your laboratory report.\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary\u003eView NICE and NHS laboratory references\u003c\/summary\u003e\n\u003cdiv class=\"vm_sources_body\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.nice.org.uk\/guidance\/ng239\/chapter\/recommendations\"\u003eNICE vitamin B12 deficiency guidance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.gloshospitals.nhs.uk\/our-services\/services-we-offer\/pathology\/tests-and-investigations\/active-b12-holotranscobalamin\/\"\u003eNHS active vitamin B12 interpretation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.nhs.uk\/tests-and-treatments\/tibc-test\/\"\u003eNHS TIBC and transferrin information\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cks.nice.org.uk\/topics\/anaemia-iron-deficiency\/\"\u003eNICE iron deficiency guidance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.gloshospitals.nhs.uk\/our-services\/services-we-offer\/pathology\/tests-and-investigations\/25-hydroxyvitamin-d\/\"\u003eNHS 25 hydroxyvitamin D thresholds\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.gloshospitals.nhs.uk\/our-services\/services-we-offer\/pathology\/tests-and-investigations\/magnesium-mg\/\"\u003eNHS magnesium reference information\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.nhs.uk\/conditions\/vitamin-b12-or-folate-deficiency-anaemia\/diagnosis\/\"\u003eNHS vitamin B12 and folate deficiency diagnosis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.ukas.com\/accreditation\/standards\/medical-laboratory-accreditation\/\"\u003eUKAS medical laboratory accreditation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.cqc.org.uk\/guidance-regulation\/providers\/registration\/scope-registration\/regulated-activities\/diagnostic-and-screening-procedures\"\u003eCQC diagnostic and screening services guidance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_section vm_faq\"\u003e\n\u003cp class=\"vm_eyebrow\"\u003eSearch led questions\u003c\/p\u003e\n\u003ch3\u003eHome vitamin deficiency test FAQs\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I test for vitamin deficiency at home?\u003c\/summary\u003e\n\u003cp\u003eYes. This kit uses a capillary blood sample collected at home and returned for laboratory analysis. It measures selected vitamin, mineral and iron related biomarkers rather than every possible nutrient.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does a vitamin and mineral blood test check?\u003c\/summary\u003e\n\u003cp\u003eThis panel checks 25 hydroxyvitamin D, active vitamin B12, serum folate, magnesium, ferritin, serum iron, TIBC, UIBC and transferrin saturation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this test diagnose all vitamin deficiencies?\u003c\/summary\u003e\n\u003cp\u003eNo. It does not measure every vitamin or mineral and cannot identify every cause of tiredness, neurological symptoms, anaemia or malabsorption. The panel does not include a full blood count, calcium, zinc, copper or vitamin A.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is active vitamin B12?\u003c\/summary\u003e\n\u003cp\u003eActive B12, also called holotranscobalamin, measures the fraction of vitamin B12 available for cells to use. NICE accepts active B12 as an initial test when vitamin B12 deficiency is suspected.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat active B12 level suggests deficiency?\u003c\/summary\u003e\n\u003cp\u003eUsing NICE interpretation, an active B12 result below 25 pmol\/L is consistent with deficiency, 25 to 70 pmol\/L is indeterminate and above 70 pmol\/L makes deficiency less likely. The laboratory report takes priority.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between iron and ferritin?\u003c\/summary\u003e\n\u003cp\u003eSerum iron measures iron circulating at the time of collection and can vary through the day. Ferritin reflects stored iron, although inflammation, liver disease and other conditions can raise ferritin independently of iron stores.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat ferritin level indicates iron deficiency?\u003c\/summary\u003e\n\u003cp\u003eNICE guidance states that ferritin below 30 micrograms per litre confirms iron deficiency in adults. A higher ferritin does not always exclude deficiency where inflammation or chronic illness is present.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is transferrin saturation?\u003c\/summary\u003e\n\u003cp\u003eTransferrin saturation estimates the percentage of iron carrying sites on transferrin that are occupied. It is calculated from serum iron and total iron binding capacity and can help assess iron deficiency or possible iron overload.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are TIBC and UIBC?\u003c\/summary\u003e\n\u003cp\u003eTIBC estimates the total amount of iron that blood proteins could bind. UIBC estimates the unused binding capacity. TIBC or UIBC may rise when iron stores are low and may be lower in inflammation, liver disease or iron overload.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this blood test diagnose anaemia?\u003c\/summary\u003e\n\u003cp\u003eNo. Anaemia is diagnosed using haemoglobin and red blood cell measurements from a full blood count, which are not included. The iron, B12 and folate results can provide nutritional context but cannot diagnose anaemia alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is a normal vitamin D level in the UK?\u003c\/summary\u003e\n\u003cp\u003eCurrent UK laboratory guidance generally regards below 25 nmol\/L as deficient, 25 to 50 nmol\/L as potentially inadequate and above 50 nmol\/L as sufficient for most people. Use the interval and comment printed on your report.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan a magnesium blood test show magnesium deficiency?\u003c\/summary\u003e\n\u003cp\u003eSerum magnesium can identify clearly low or high circulating magnesium, but most magnesium is stored inside cells and bones. A normal serum result does not rule out every problem involving magnesium.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to fast for a vitamins and minerals blood test?\u003c\/summary\u003e\n\u003cp\u003eFasting is not always required, but serum iron can vary with meals and time of day. Follow the kit instructions. Where consistency is important, morning collection before food may be recommended.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eShould I stop vitamins or iron supplements before testing?\u003c\/summary\u003e\n\u003cp\u003eDo not stop prescribed supplements without medical advice. Record all vitamins, iron, folic acid, magnesium and injections. Recent supplementation can affect results and may influence how they are interpreted.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan inflammation affect ferritin and iron results?\u003c\/summary\u003e\n\u003cp\u003eYes. Ferritin can rise during inflammation, while serum iron and transferrin can fall. A clinician may request CRP, a full blood count or repeat testing to interpret the pattern.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan high vitamin B12 be caused by supplements?\u003c\/summary\u003e\n\u003cp\u003eYes. Tablets, injections and fortified products commonly raise B12. An unexplained high result without supplementation can also occur with liver, kidney or blood conditions and should be discussed with a clinician.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen should abnormal vitamin or mineral symptoms be treated as urgent?\u003c\/summary\u003e\n\u003cp\u003eSeek prompt help for severe weakness, collapse, chest pain, severe breathlessness, confusion, seizures, new balance or walking problems, black stools, visible blood loss or severe persistent vomiting.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the laboratories UKAS accredited and CQC registered?\u003c\/summary\u003e\n\u003cp\u003eSamples are processed through UKAS accredited laboratories within a CQC registered diagnostic pathway. Collection equipment is UKCA and CE marked and supported by an ISO 13485 quality management framework.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"vm_footer_note\"\u003e\n\u003ch3\u003eMedical guidance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo not wait for a home test if symptoms feel urgent.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeek prompt medical help for severe weakness, chest pain, severe breathlessness, collapse, confusion, seizures, new numbness or tingling, new balance or walking problems, black stools, blood in the stool or urine, heavy bleeding, severe abdominal pain or persistent vomiting.\u003c\/p\u003e\n\u003cp\u003eThis product measures selected nutritional markers. It cannot diagnose anaemia, malabsorption, iron overload or the cause of symptoms without wider clinical assessment.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/article\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":54410459349331,"sku":"493-vitamins-minerals","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Home_Vitamin_Deficiency_Test_Kit_UK_-_Vitamins_Minerals_Iron.png?v=1785150608","url":"https:\/\/gracebelgravia.com\/products\/vitamins-minerals","provider":"Grace Belgravia","version":"1.0","type":"link"}