{"product_id":"advanced-tiredness-fatigue-vitality-blood-test","title":"Advanced Tiredness \u0026 Chronic Fatigue Blood Test","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content stronger tutor-markdown-rendering\" id=\"model-response-message-contentr_caf7f0576335879c\" aria-busy=\"false\" aria-live=\"polite\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"6\"\u003eWe all feel tired from time to time, especially after a demanding week, a heavy training block, or recovering from a recent virus. But when exhaustion becomes your baseline and you are constantly waking up drained, struggling with brain fog, or experiencing low mood, it is no longer just \"everyday tiredness\". In the clinical world, this is known as TATT (Tired All The Time), and it is often a silent distress signal from your body.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe \u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003eOptimal You Advanced Tiredness, Fatigue \u0026amp; Vitality Investigation Blood Test\u003c\/b\u003e is our most comprehensive clinical audit for chronic low energy. While basic checks might only look at your iron levels, this advanced 26-biomarker panel dives deep to assess the most common, treatable medical causes of chronic fatigue.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eBy mapping your complete blood count, thyroid engine, blood sugar regulation, systemic inflammation, and essential cellular vitamins, this test isolates the physiological roadblocks stealing your vitality. Stop guessing with caffeine and generic supplements—get the precise, laboratory-backed answers you need to reclaim your energy and get back to living life at full strength.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eKey Core Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eIdentify medical causes of chronic exhaustion (TATT)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eComplete red blood cell screen for oxygen-carrying power\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eCheck metabolic thyroid hormones and diabetes markers\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003ePinpoint critical energy vitamin deficiencies (D, B12, Folate)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003eFast three-day turnaround with a bespoke UK doctor report\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"13\"\u003eThe Four Energy Roadblocks We Investigate\u003c\/h2\u003e\n\u003cp data-path-to-node=\"14\"\u003eOur medical team analyses 26 targeted biomarkers to isolate exactly what is causing your physical and mental fatigue:\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e🩸 1. Anaemia \u0026amp; Oxygen Depletion\u003c\/h3\u003e\n\u003cp data-path-to-node=\"16\"\u003eTo feel energetic, your organs and muscles require a constant, rich supply of oxygen. This profile features a \u003cb data-path-to-node=\"16\" data-index-in-node=\"110\"\u003eFull Blood Count (FBC)\u003c\/b\u003e to check the size, shape, and health of your red blood cells. We combine this with a comprehensive \u003cb data-path-to-node=\"16\" data-index-in-node=\"232\"\u003eIron Status\u003c\/b\u003e panel—including \u003cb data-path-to-node=\"16\" data-index-in-node=\"260\"\u003eFerritin\u003c\/b\u003e—and vitamins \u003cb data-path-to-node=\"16\" data-index-in-node=\"282\"\u003eActive B12\u003c\/b\u003e and \u003cb data-path-to-node=\"16\" data-index-in-node=\"297\"\u003eFolate\u003c\/b\u003e. If your body is short on these key building blocks, your oxygen transport system stalls, leaving you feeling physically weak, breathless, and chronically fatigued.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"17\"\u003e\n\u003cp data-path-to-node=\"17,0\"\u003e💡 \u003cb data-path-to-node=\"17,0\" data-index-in-node=\"3\"\u003eProactive Health Tip:\u003c\/b\u003e Iron deficiency in the UK is frequently caused by microscopic, hidden bleeding in the gut. If your results show low iron or ferritin, you can easily add on a \u003cb data-path-to-node=\"17,0\" data-index-in-node=\"183\"\u003eqFIT test\u003c\/b\u003e to screen for hidden lower GI bleeding.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3 data-path-to-node=\"18\"\u003e🦋 2. A Sluggish Metabolic Engine (Thyroid)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"19\"\u003eYour thyroid gland regulates your cellular energy production. An underactive thyroid (hypothyroidism) slows down your entire metabolic rate, resulting in severe physical fatigue, low mood, and unexplained weight gain. This test checks your core thyroid hormones (\u003cb data-path-to-node=\"19\" data-index-in-node=\"263\"\u003eTSH\u003c\/b\u003e and \u003cb data-path-to-node=\"19\" data-index-in-node=\"271\"\u003eFree T4\u003c\/b\u003e) to ensure your metabolism is running efficiently.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"20\"\u003e📉 3. Poor Blood Sugar Control \u0026amp; Pre-Diabetes\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003eStruggling with constant energy crashes, especially after eating? Persistent fatigue can be an early indicator of type 2 diabetes or insulin resistance. We check your \u003cb data-path-to-node=\"21\" data-index-in-node=\"167\"\u003eHbA1c (Glycated Haemoglobin)\u003c\/b\u003e to secure an unalterable, average look at your blood sugar levels over the last three months, allowing you to intercept metabolic dysfunction early.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"22\"\u003e☀️ 4. Low Vitamin D \u0026amp; Systemic Inflammation\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eVitamin D plays a critical, hormone-like role in supporting muscle function, bone health, and active immune system defences. Deficiencies are incredibly common in the UK and are a primary driver of widespread bone aches and fatigue. We pair this check with \u003cb data-path-to-node=\"23\" data-index-in-node=\"257\"\u003eHigh-Sensitivity C-Reactive Protein (hs-CRP)\u003c\/b\u003e to rule out low-level systemic inflammation or recent infection as the cause of your physical drain.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"25\"\u003eWhat We Test: The 26 Vital Biomarkers\u003c\/h2\u003e\n\u003cp data-path-to-node=\"26\"\u003eOur accredited UK laboratories cross-reference 26 distinct markers to build a complete energy map:\u003c\/p\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv class=\"table-block has-export-button new-table-style is-at-scroll-start is-at-scroll-end\"\u003e\n\u003cdiv class=\"table-content md-content\"\u003e\n\u003ctable data-path-to-node=\"27\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"27,0,0,0\"\u003eHealth Category\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"27,0,1,0\"\u003eBiomarkers Checked\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"27,0,2,0\"\u003eWhy This Is Critical For Your Energy\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,1,0,0\"\u003e\u003cb data-path-to-node=\"27,1,0,0\" data-index-in-node=\"0\"\u003eVitamins\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,1,1,0\"\u003eActive Vitamin B12, Vitamin D, Serum Folate\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,1,2,0\"\u003eVital micronutrients required for red blood cell development, nerve function, and immune resilience.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,2,0,0\"\u003e\u003cb data-path-to-node=\"27,2,0,0\" data-index-in-node=\"0\"\u003eIron Status Panel\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,2,1,0\"\u003eFerritin, Circulating Iron, TIBC, Transferrin Saturation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,2,2,0\"\u003eEvaluates circulating blood iron alongside your absolute hidden cellular iron storage reserves.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,3,0,0\"\u003e\u003cb data-path-to-node=\"27,3,0,0\" data-index-in-node=\"0\"\u003eThyroid Hormones\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,3,1,0\"\u003eTSH, Free Thyroxine (Free T4)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,3,2,0\"\u003eAssesses your baseline thyroid engine to check cellular metabolic speed and daily fuel burning.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,4,0,0\"\u003e\u003cb data-path-to-node=\"27,4,0,0\" data-index-in-node=\"0\"\u003eDiabetes Control\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,4,1,0\"\u003eHbA1c (Glycated Haemoglobin)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,4,2,0\"\u003eMonitors long-term glucose control to identify energy-sapping insulin resistance or pre-diabetes.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,5,0,0\"\u003e\u003cb data-path-to-node=\"27,5,0,0\" data-index-in-node=\"0\"\u003eInflammation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,5,1,0\"\u003eCRP HS (High-Sensitivity C-Reactive Protein)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,5,2,0\"\u003eDetects hidden, low-level systemic inflammation or cellular tissue recovery strain.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,6,0,0\"\u003e\u003cb data-path-to-node=\"27,6,0,0\" data-index-in-node=\"0\"\u003eRed Blood Cells (FBC)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,6,1,0\"\u003eHaemoglobin, Haematocrit, Red Cell Count, MCV, MCH, MCHC, RDW\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,6,2,0\"\u003eA thorough cellular breakdown evaluating oxygen transport capacity and potential anaemic states.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,7,0,0\"\u003e\u003cb data-path-to-node=\"27,7,0,0\" data-index-in-node=\"0\"\u003eWhite Blood Cells\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,7,1,0\"\u003eWhite Cell Count, Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,7,2,0\"\u003eChecks your active immune system to rule out a recent virus or chronic infection as the source of your fatigue.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,8,0,0\"\u003e\u003cb data-path-to-node=\"27,8,0,0\" data-index-in-node=\"0\"\u003eClotting Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,8,1,0\"\u003ePlatelet Count, MPV\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"27,8,2,0\"\u003eMonitors vital blood clotting cell volume and bone marrow production dynamics.\u003c\/span\u003e\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!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-path-to-node=\"28\"\u003e\n\u003cp data-path-to-node=\"28,0\"\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"28,0\"\u003e📊 \u003cb data-path-to-node=\"28,0\" data-index-in-node=\"3\"\u003eClinical Laboratory Limitations:\u003c\/b\u003e Our accredited laboratories cannot provide exact numerical results for active Vitamin B12 levels when they sit above 150 pmol\/L; these specific values will be safely displayed on your digital report as \"\u0026gt;150 pmol\/L\".\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2 data-path-to-node=\"30\"\u003e📋 Essential Pre-Test Instructions\u003c\/h2\u003e\n\u003cp data-path-to-node=\"31\"\u003eTo guarantee absolute clinical accuracy and ensure your results reflect your true biological baseline, please follow these preparation guidelines:\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"32\"\u003eTiming \u0026amp; Physical Recovery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"33,0,0\"\u003e\n\u003cb data-path-to-node=\"33,0,0\" data-index-in-node=\"0\"\u003eMorning Blood Draw:\u003c\/b\u003e You must collect your sample early in the morning between \u003cb data-path-to-node=\"33,0,0\" data-index-in-node=\"78\"\u003e6am and 10am\u003c\/b\u003e. This is essential to establish accurate, standard baseline hormone and blood metrics.\u003c\/li\u003e\n\u003cli data-path-to-node=\"33,1,0\"\u003e\n\u003cb data-path-to-node=\"33,1,0\" data-index-in-node=\"0\"\u003eIllness Recovery:\u003c\/b\u003e Wait to take this test until any active symptoms of a short-term or acute illness (such as a cold, flu, or stomach bug) have completely settled, as active immune responses temporarily alter your baseline white blood cell metrics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"34\"\u003eMedications \u0026amp; Supplements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"35,0,0\"\u003e\n\u003cb data-path-to-node=\"35,0,0\" data-index-in-node=\"0\"\u003eActive B12 Restriction:\u003c\/b\u003e Do not take any Vitamin B12 supplements for \u003cb data-path-to-node=\"35,0,0\" data-index-in-node=\"68\"\u003etwo weeks\u003c\/b\u003e prior to this test. If B12 is medically prescribed, consult your doctor before pausing it.\u003c\/li\u003e\n\u003cli data-path-to-node=\"35,1,0\"\u003e\n\u003cb data-path-to-node=\"35,1,0\" data-index-in-node=\"0\"\u003eBiotin Restriction:\u003c\/b\u003e Avoid taking biotin supplements for \u003cb data-path-to-node=\"35,1,0\" data-index-in-node=\"56\"\u003etwo days\u003c\/b\u003e before your test, as high-dose biotin can artificially disrupt laboratory thyroid hormone assays.\u003c\/li\u003e\n\u003cli data-path-to-node=\"35,2,0\"\u003e\n\u003cb data-path-to-node=\"35,2,0\" data-index-in-node=\"0\"\u003eGeneral Supplements:\u003c\/b\u003e Take your blood sample at least \u003cb data-path-to-node=\"35,2,0\" data-index-in-node=\"53\"\u003e24 hours after\u003c\/b\u003e your last dose of standard vitamin or mineral supplements.\u003c\/li\u003e\n\u003cli data-path-to-node=\"35,3,0\"\u003e\n\u003cb data-path-to-node=\"35,3,0\" data-index-in-node=\"0\"\u003eThyroid Medication Timing:\u003c\/b\u003e If you take standard thyroxine, you can take your medication as usual, either before or after your blood test. However, if you take desiccated thyroid extract (DTE) or liothyronine, always collect your sample \u003ci data-path-to-node=\"35,3,0\" data-index-in-node=\"236\"\u003ebefore\u003c\/i\u003e taking your daily dose. Please declare if you take amiodarone or lithium in your supporting information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"37\"\u003eHow It Works\u003c\/h2\u003e\n\u003col\u003e\n\u003cli data-path-to-node=\"38,0,0\"\u003e\n\u003cb data-path-to-node=\"38,0,0\" data-index-in-node=\"0\"\u003eOrder Your Kit:\u003c\/b\u003e Secure your test online. Because this comprehensive 26-biomarker profile requires a high-quality venous sample to accurately map your full blood count, it is performed via a professional venous draw.\u003c\/li\u003e\n\u003cli data-path-to-node=\"38,1,0\"\u003e\n\u003cb data-path-to-node=\"38,1,0\" data-index-in-node=\"0\"\u003eFlexible Collection:\u003c\/b\u003e Arrange to have a professional, friendly nurse visit you at home for a quick draw, or choose a convenient appointment at one of our nationwide partner clinics.\u003c\/li\u003e\n\u003cli data-path-to-node=\"38,2,0\"\u003e\n\u003cb data-path-to-node=\"38,2,0\" data-index-in-node=\"0\"\u003eAccredited Laboratory Processing:\u003c\/b\u003e Your sample is securely sent to our accredited UK laboratories. Your extensive health profile will securely upload to your online portal within an estimated \u003cb data-path-to-node=\"38,2,0\" data-index-in-node=\"191\"\u003e3 working days\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli data-path-to-node=\"38,3,0\"\u003e\n\u003cb data-path-to-node=\"38,3,0\" data-index-in-node=\"0\"\u003eBespoke Doctor's Commentary:\u003c\/b\u003e Every single check-up is medically reviewed by a qualified doctor. Your private digital dashboard will include a personalised report translating your raw data into clear, actionable guidelines to help you reclaim your energy.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e","brand":"Medichecks","offers":[{"title":"Book a Venous Draw at Clinic","offer_id":56777324036470,"sku":"M509-2","price":183.1,"currency_code":"GBP","in_stock":true},{"title":"Book a Venous Draw at Home With a Nurse","offer_id":56777324069238,"sku":"M509-3","price":208.1,"currency_code":"GBP","in_stock":true},{"title":"Self Arrange a Professional Sample Collection","offer_id":56777324102006,"sku":"M509-4","price":148.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/9390\/1430\/files\/Fatigue-Blood-Test-Profile-Hero.png?v=1770719181","url":"https:\/\/www.optimalyou.co.uk\/products\/advanced-tiredness-fatigue-vitality-blood-test","provider":"Optimal You","version":"1.0","type":"link"}