{"id":10025,"date":"2025-07-11T00:50:06","date_gmt":"2025-07-10T21:50:06","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=10025"},"modified":"2026-04-20T18:53:39","modified_gmt":"2026-04-20T15:53:39","slug":"vitamin-deficiency-in-the-body-is-not-the-simplest","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/vitamin-deficiency-in-the-body-is-not-the-simplest\/","title":{"rendered":"Vitamin deficiency: why does the body lack the simplest thing?"},"content":{"rendered":"<p data-start=\"385\" data-end=\"724\">Vitamins are not just \u201chealth supplements,\u201d as is often believed. They are micronutrients that affect immunity, heart and brain function, hormonal stability, and even psycho-emotional state. Vitamin deficiencies can develop over years \u2014 without obvious symptoms, but with a cumulative effect that ultimately manifests itself in serious disorders.<\/p>\n<h2 data-start=\"726\" data-end=\"763\">How does vitamin deficiency develop?<\/h2>\n<p data-start=\"765\" data-end=\"840\">Vitamin deficiencies usually develop gradually. The causes are various:<\/p>\n<ul data-start=\"842\" data-end=\"1193\">\n<li data-start=\"842\" data-end=\"890\">\n<p data-start=\"844\" data-end=\"890\"><strong data-start=\"844\" data-end=\"889\">Irregular or unbalanced diet<\/strong>;<\/p>\n<\/li>\n<li data-start=\"891\" data-end=\"985\">\n<p data-start=\"893\" data-end=\"985\"><strong data-start=\"893\" data-end=\"947\">Malabsorption in the gastrointestinal tract<\/strong> (celiac disease, gastritis, chronic diarrhea);<\/p>\n<\/li>\n<li data-start=\"986\" data-end=\"1067\">\n<p data-start=\"988\" data-end=\"1067\"><strong data-start=\"988\" data-end=\"1016\">High body needs<\/strong> (pregnancy, breastfeeding, growth periods);<\/p>\n<\/li>\n<li data-start=\"1068\" data-end=\"1124\">\n<p data-start=\"1070\" data-end=\"1124\"><strong data-start=\"1070\" data-end=\"1123\">Chronic stress or long-term medication use<\/strong>;<\/p>\n<\/li>\n<li data-start=\"1125\" data-end=\"1193\">\n<p data-start=\"1127\" data-end=\"1193\"><strong data-start=\"1127\" data-end=\"1192\">Vegetarianism\/veganism without monitoring B12, D, and iron levels<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1195\" data-end=\"1226\">The most common symptoms of deficiency<\/h2>\n<p data-start=\"1228\" data-end=\"1362\">Vitamin deficiency has many manifestations, often non-specific. Below are examples that may indicate a lack of a particular vitamin:<\/p>\n<div class=\"_tableContainer_80l1q_1\">\n<div class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1364\" data-end=\"1820\">\n<thead data-start=\"1364\" data-end=\"1395\">\n<tr data-start=\"1364\" data-end=\"1395\">\n<th data-start=\"1364\" data-end=\"1374\" data-col-size=\"sm\">Symptom<\/th>\n<th data-start=\"1374\" data-end=\"1395\" data-col-size=\"sm\">Probable deficit<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1428\" data-end=\"1820\">\n<tr data-start=\"1428\" data-end=\"1480\">\n<td data-start=\"1428\" data-end=\"1453\" data-col-size=\"sm\">Constant fatigue, apathy<\/td>\n<td data-col-size=\"sm\" data-start=\"1453\" data-end=\"1480\">B12, D, folic acid<\/td>\n<\/tr>\n<tr data-start=\"1481\" data-end=\"1525\">\n<td data-start=\"1481\" data-end=\"1512\" data-col-size=\"sm\">Dry skin, cracked lips<\/td>\n<td data-col-size=\"sm\" data-start=\"1512\" data-end=\"1525\">A, B2, B6<\/td>\n<\/tr>\n<tr data-start=\"1526\" data-end=\"1568\">\n<td data-start=\"1526\" data-end=\"1560\" data-col-size=\"sm\">Frequent colds, weak immunity<\/td>\n<td data-col-size=\"sm\" data-start=\"1560\" data-end=\"1568\">C, D<\/td>\n<\/tr>\n<tr data-start=\"1569\" data-end=\"1617\">\n<td data-start=\"1569\" data-end=\"1599\" data-col-size=\"sm\">Muscle cramps, tingling<\/td>\n<td data-col-size=\"sm\" data-start=\"1599\" data-end=\"1617\">B1, <a href=\"https:\/\/medilab.km.ua\/en\/analysis\/biochemical-blood-tests\/vitamins\/vitamin-v6-pyridoxal-5-phosphate\/\">B6<\/a>, magnesium<\/td>\n<\/tr>\n<tr data-start=\"1618\" data-end=\"1680\">\n<td data-start=\"1618\" data-end=\"1651\" data-col-size=\"sm\">Hair loss, brittle nails<\/td>\n<td data-col-size=\"sm\" data-start=\"1651\" data-end=\"1680\">B7 (<a href=\"https:\/\/medilab.km.ua\/en\/is-biotin-analysis-necessary-and-when-is-it-worth-it\/\">biotin<\/a>), iron, zinc<\/td>\n<\/tr>\n<tr data-start=\"1681\" data-end=\"1710\">\n<td data-start=\"1681\" data-end=\"1705\" data-col-size=\"sm\">Poor vision in the dark<\/td>\n<td data-col-size=\"sm\" data-start=\"1705\" data-end=\"1710\">A<\/td>\n<\/tr>\n<tr data-start=\"1711\" data-end=\"1760\">\n<td data-start=\"1711\" data-end=\"1742\" data-col-size=\"sm\">Irritability, sleep disturbances<\/td>\n<td data-start=\"1742\" data-end=\"1760\" data-col-size=\"sm\">B1, B5, magnesium<\/td>\n<\/tr>\n<tr data-start=\"1761\" data-end=\"1792\">\n<td data-start=\"1761\" data-end=\"1781\" data-col-size=\"sm\">Numbness of the extremities<\/td>\n<td data-start=\"1781\" data-end=\"1792\" data-col-size=\"sm\">B12, B1<\/td>\n<\/tr>\n<tr data-start=\"1793\" data-end=\"1820\">\n<td data-start=\"1793\" data-end=\"1815\" data-col-size=\"sm\">Bleeding gums<\/td>\n<td data-start=\"1815\" data-end=\"1820\" data-col-size=\"sm\">C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1822\" data-end=\"1969\">Each of the symptoms may have other causes, so <strong data-start=\"1877\" data-end=\"1909\">self-diagnosis is risky<\/strong>. The most accurate method is <strong data-start=\"1931\" data-end=\"1968\">blood test for vitamin status<\/strong>.<\/p>\n<h2 data-start=\"1971\" data-end=\"2006\">Laboratory diagnosis of deficiency<\/h2>\n<p data-start=\"2008\" data-end=\"2051\">Now you can take a separate analysis for the level:<\/p>\n<ul data-start=\"2053\" data-end=\"2358\">\n<li data-start=\"2053\" data-end=\"2119\">\n<p data-start=\"2055\" data-end=\"2119\"><strong data-start=\"2055\" data-end=\"2079\">vitamin D (25(OH)D)<\/strong> \u2014 the most common deficiency in our climate;<\/p>\n<\/li>\n<li data-start=\"2120\" data-end=\"2210\">\n<p data-start=\"2122\" data-end=\"2210\"><strong data-start=\"2122\" data-end=\"2161\"><a href=\"https:\/\/medilab.km.ua\/en\/vitamin-b12-deficiency-is-a-must-to-check-what-it-means-to-have-a-balanced-diet\/\">vitamin B12<\/a>, folic acid (B9)<\/strong> \u2014 important for the nervous system and hematopoiesis;<\/p>\n<\/li>\n<li data-start=\"2211\" data-end=\"2260\">\n<p data-start=\"2213\" data-end=\"2260\"><strong data-start=\"2213\" data-end=\"2230\">vitamin A, E<\/strong> \u2014 fat-soluble antioxidants;<\/p>\n<\/li>\n<li data-start=\"2261\" data-end=\"2302\">\n<p data-start=\"2263\" data-end=\"2302\"><strong data-start=\"2263\" data-end=\"2277\">vitamin C<\/strong> \u2014 for immunity and blood vessels;<\/p>\n<\/li>\n<li data-start=\"2303\" data-end=\"2358\">\n<p data-start=\"2305\" data-end=\"2358\"><strong data-start=\"2305\" data-end=\"2321\">homocysteine<\/strong> \u2014 an auxiliary marker of B-group deficiency.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2360\" data-end=\"2450\">Comprehensive panels are a convenient option if symptoms do not point to one specific vitamin.<\/p>\n<h2 data-start=\"2452\" data-end=\"2474\">Who is at risk?<\/h2>\n<ul data-start=\"2476\" data-end=\"2816\">\n<li data-start=\"2476\" data-end=\"2526\">\n<p data-start=\"2478\" data-end=\"2526\">People after 45 years of age (absorption worsens);<\/p>\n<\/li>\n<li data-start=\"2527\" data-end=\"2581\">\n<p data-start=\"2529\" data-end=\"2581\">Those who follow strict diets or fast constantly;<\/p>\n<\/li>\n<li data-start=\"2582\" data-end=\"2652\">\n<p data-start=\"2584\" data-end=\"2652\">Individuals with autoimmune diseases or chronic stomach problems;<\/p>\n<\/li>\n<li data-start=\"2653\" data-end=\"2690\">\n<p data-start=\"2655\" data-end=\"2690\">Vegans (especially those without vitamin B12);<\/p>\n<\/li>\n<li data-start=\"2691\" data-end=\"2738\">\n<p data-start=\"2693\" data-end=\"2738\">People who rarely go out in the sun (D deficiency);<\/p>\n<\/li>\n<li data-start=\"2739\" data-end=\"2779\">\n<p data-start=\"2741\" data-end=\"2779\">Women during pregnancy or lactation;<\/p>\n<\/li>\n<li data-start=\"2780\" data-end=\"2816\">\n<p data-start=\"2782\" data-end=\"2816\">Teenagers during a period of active growth.<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-10027\" src=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka.jpg\" alt=\"A nurse takes blood from a patient for a vitamin D test.\" width=\"1200\" height=\"800\" srcset=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka.jpg 1200w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka-150x100.jpg 150w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka-600x400.jpg 600w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka-300x200.jpg 300w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka-1024x683.jpg 1024w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/07\/koznaa-allergia-na-ruke-celoveka-768x512.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2 data-start=\"2818\" data-end=\"2855\">Prevention: How to Avoid Deficiency<\/h2>\n<ol data-start=\"2857\" data-end=\"3265\">\n<li data-start=\"2857\" data-end=\"2955\">\n<p data-start=\"2860\" data-end=\"2955\"><strong data-start=\"2860\" data-end=\"2887\">Eat a varied diet<\/strong>: seasonal vegetables and fruits, whole grains, proteins, fats \u2014 everything is important.<\/p>\n<\/li>\n<li data-start=\"2956\" data-end=\"3052\">\n<p data-start=\"2959\" data-end=\"3052\"><strong data-start=\"2959\" data-end=\"2991\">Don&#039;t eliminate fats completely<\/strong> \u2014 fat-soluble vitamins (A, D, E, K) are not absorbed without them.<\/p>\n<\/li>\n<li data-start=\"3053\" data-end=\"3115\">\n<p data-start=\"3056\" data-end=\"3115\"><strong data-start=\"3056\" data-end=\"3097\">Check your vitamin levels regularly<\/strong>, especially in winter.<\/p>\n<\/li>\n<li data-start=\"3116\" data-end=\"3186\">\n<p data-start=\"3119\" data-end=\"3186\"><strong data-start=\"3119\" data-end=\"3154\">Don&#039;t take vitamins blindly.\u201c<\/strong> \u2014 excess can be toxic.<\/p>\n<\/li>\n<li data-start=\"3187\" data-end=\"3265\">\n<p data-start=\"3190\" data-end=\"3265\"><strong data-start=\"3190\" data-end=\"3234\">Consult a doctor or dietitian<\/strong>, before starting a course of supplements.<\/p>\n<\/li>\n<\/ol>\n<h2 data-start=\"3267\" data-end=\"3291\">What if there is already a shortage?<\/h2>\n<p data-start=\"3293\" data-end=\"3330\">Treatment depends on the type of deficiency:<\/p>\n<ul data-start=\"3332\" data-end=\"3600\">\n<li data-start=\"3332\" data-end=\"3415\">\n<p data-start=\"3334\" data-end=\"3415\"><a href=\"https:\/\/medilab.km.ua\/en\/what-is-the-most-necessary-vitamin-d-test-and-how-to-give-it-correctly\/\"><strong data-start=\"3334\" data-end=\"3347\">Vitamin D<\/strong> <\/a>\u2014 capsules or drops in a dosage of 2000\u20134000 IU\/day (after analysis);<\/p>\n<\/li>\n<li data-start=\"3416\" data-end=\"3459\">\n<p data-start=\"3418\" data-end=\"3459\"><strong data-start=\"3418\" data-end=\"3425\">B12<\/strong> \u2014 injections or sublingual tablets;<\/p>\n<\/li>\n<li data-start=\"3460\" data-end=\"3522\">\n<p data-start=\"3462\" data-end=\"3522\"><strong data-start=\"3462\" data-end=\"3491\">Iron and folic acid<\/strong> \u2014 only under the supervision of a doctor;<\/p>\n<\/li>\n<li data-start=\"3523\" data-end=\"3600\">\n<p data-start=\"3525\" data-end=\"3600\"><strong data-start=\"3525\" data-end=\"3559\">C-containers and multivitamins<\/strong> \u2014 for mild deficiency or prevention.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3602\" data-end=\"3641\">Why is it important not to ignore symptoms?<\/h2>\n<p data-start=\"3643\" data-end=\"3735\">Vitamin deficiency is not limited to a bad mood or appearance. It can cause:<\/p>\n<ul data-start=\"3737\" data-end=\"3898\">\n<li data-start=\"3737\" data-end=\"3746\">\n<p data-start=\"3739\" data-end=\"3746\">anemia;<\/p>\n<\/li>\n<li data-start=\"3747\" data-end=\"3780\">\n<p data-start=\"3749\" data-end=\"3780\">menstrual cycle disorders;<\/p>\n<\/li>\n<li data-start=\"3781\" data-end=\"3805\">\n<p data-start=\"3783\" data-end=\"3805\">bone loss;<\/p>\n<\/li>\n<li data-start=\"3806\" data-end=\"3827\">\n<p data-start=\"3808\" data-end=\"3827\">depressive disorders;<\/p>\n<\/li>\n<li data-start=\"3828\" data-end=\"3859\">\n<p data-start=\"3830\" data-end=\"3859\">decreased cognitive functions;<\/p>\n<\/li>\n<li data-start=\"3860\" data-end=\"3898\">\n<p data-start=\"3862\" data-end=\"3898\">in children - growth and development delay.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3915\" data-end=\"4137\">Vitamin balance is like a clockwork mechanism. One missing part and the whole mechanism breaks down. A healthy diet, symptom control, and regular diagnostics are a simple recipe to prevent serious problems.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vitamins are not just \u201chealth supplements,\u201d as is often believed. They are micronutrients that support immunity, heart function, and brain function.,<\/p>","protected":false},"author":627,"featured_media":10026,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/10025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/users\/627"}],"replies":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/comments?post=10025"}],"version-history":[{"count":0,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/10025\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/10026"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=10025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/categories?post=10025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/tags?post=10025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}