{"id":36680,"date":"2026-08-13T15:14:09","date_gmt":"2026-08-13T19:14:09","guid":{"rendered":"https:\/\/cliniqueomicron.ca\/?p=36680"},"modified":"2026-07-13T16:08:24","modified_gmt":"2026-07-13T20:08:24","slug":"blogue-carences-nutritionnelles-bilan-sanguin-quebec","status":"publish","type":"post","link":"https:\/\/cliniqueomicron.ca\/en\/blogue-carences-nutritionnelles-bilan-sanguin-quebec\/","title":{"rendered":"Nutritional Deficiencies: When a Blood Test Is Recommended"},"content":{"rendered":"<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Over-the-counter supplements, blood test kits sold online, alarmist articles about \u00abhidden deficiencies\u00bb: the topic of <strong>Nutritional deficiencies<\/strong> generates a lot of noise\u2014and not always good advice. The reality is more nuanced. True deficiencies cannot be detected by eye; their signs are often vague, and a blood test is useful only in certain very specific situations. This article provides an overview of the most common deficiencies, the people most at risk, and, above all, which tests are truly meaningful versus those that amount to over-screening. The goal: to help you ask the right questions of a healthcare professional\u2014never to self-diagnose.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" style=\"text-align: left;\">On this page<\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li><a href=\"#frequentes\">The Most Common Deficiencies<\/a><\/li>\r\n<li><a href=\"#risque\">Who is at greater risk?<\/a><\/li>\r\n<li><a href=\"#signes\">Symptoms that are often nonspecific<\/a><\/li>\r\n<li><a href=\"#dosages\">What dosages are appropriate?<\/a><\/li>\r\n<li><a href=\"#surdepistage\">Over-screening and commercial panels<\/a><\/li>\r\n<li><a href=\"#alimentation\">The Role of Diet<\/a><\/li>\r\n<li><a href=\"#supplements\">Supplements: Use Them Wisely<\/a><\/li>\r\n<li><a href=\"#mythes\">Myths and misconceptions<\/a><\/li>\r\n<li><a href=\"#faq\">Frequently asked questions<\/a><\/li>\r\n<li><a href=\"#sources\">Sources<\/a><\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"frequentes\" style=\"text-align: left;\">The Most Common Deficiencies<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">When we talk about <em>Nutritional deficiencies<\/em>, some occur more frequently than others in the general population. They do not all have the same impact or manifest in the same way, and some are much rarer than people think. Here is an overview of the most common ones; however, this list is not intended to serve as a diagnosis.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Element<\/th>\r\n<th>Primary role in the body<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Iron<\/td>\r\n<td>Oxygen Transport in the Blood, Energy<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Vitamin D<\/td>\r\n<td>Bone Health, Calcium Absorption<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Vitamin B12<\/td>\r\n<td>Nervous system, red blood cell formation<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Folate (B9)<\/td>\r\n<td>Cell formation, particularly during pregnancy<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Magnesium or calcium<\/td>\r\n<td>Muscles, nerves, bones (deficits are less common in the general population)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Iron, vitamin D, vitamin B12, and folate are the most commonly discussed deficiencies in clinical practice. Magnesium and calcium also come up, but a clear deficiency is less common in healthy individuals who eat a varied diet. Every situation is different, and only a healthcare professional can determine what applies to you.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"risque\" style=\"text-align: left;\">Who is at greater risk?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Some <em>populations<\/em> are more likely to develop a deficiency, either because their needs are higher or because their diet or digestion makes it difficult to obtain or absorb the necessary nutrients. Belonging to one of these groups does not necessarily mean you have a deficiency; it mainly means you should be mindful of this and, in some cases, seek medical advice.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Situations That Increase the Risk<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>A vegan or strict vegetarian diet, especially with regard to vitamin B12.<\/li>\r\n<li>Older adults, who may have reduced absorption of certain nutrients.<\/li>\r\n<li>Pregnancy and breastfeeding, when iron and folate needs increase.<\/li>\r\n<li>A history of bariatric surgery, which alters nutrient absorption.<\/li>\r\n<li>Chronic digestive disorders that impair intestinal absorption.<\/li>\r\n<li>High alcohol consumption or prolonged inadequate dietary intake.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">If you find yourself in any of these situations, you should not order a test on your own; instead, talk to a doctor, pharmacist, or dietitian-nutritionist. These professionals can determine whether monitoring or testing is appropriate in your case.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>To remember<\/strong><\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>The most common deficiencies involve iron, vitamin D, vitamin B12, and folate.<\/li>\r\n<li>Magnesium and calcium are less commonly to blame in healthy individuals.<\/li>\r\n<li>Certain groups are at higher risk: vegans, older adults, pregnant women, people who have undergone bariatric surgery, and those with digestive disorders.<\/li>\r\n<li>The signs of a deficiency are often vague and nonspecific.<\/li>\r\n<li>A blood test is useful only in certain situations, as determined by a healthcare professional.<\/li>\r\n<li>For most people, diet remains the primary way to meet their nutritional needs.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"signes\" style=\"text-align: left;\">Symptoms that are often nonspecific<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">The big problem with nutritional deficiencies is that their <em>signs<\/em> are rarely specific to a particular nutrient. Fatigue, for example, is an extremely common symptom that can have dozens of causes unrelated to diet. That is precisely why we cannot conclude that there is a deficiency based solely on how we feel.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Symptoms that are sometimes reported<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>Fatigue, lack of energy, and difficulty concentrating.<\/li>\r\n<li>Dull hair or increased hair loss.<\/li>\r\n<li>Brittle or fragile nails.<\/li>\r\n<li>Drier skin, pale complexion.<\/li>\r\n<li>Shortness of breath during physical activity; in some cases, palpitations.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">These symptoms can all be explained by other factors: sleep, stress, seasonal changes, or other medical conditions. A single symptom\u2014or even several\u2014is not enough to draw a conclusion. Only a medical evaluation that takes into account your overall health and medical history can help you make sense of it all. Starting to take supplements based solely on a single symptom can mask a real underlying problem.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>Do you have questions about your fatigue, your diet, or your results? <a href=\"https:\/\/cliniqueomicron.ca\/rendez-vous\/\">Make an appointment<\/a> Talk to a professional at one of our service locations in Quebec\u2014get in touch quickly via <a href=\"https:\/\/cliniqueomicron.ca\/consultation-en-ligne\/\">online consultation<\/a>, or explore our solutions <a href=\"https:\/\/cliniqueomicron.ca\/pour-entreprises\/\">for companies<\/a> when it comes to health checkups.<\/strong><\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"dosages\" style=\"text-align: left;\">What dosages are appropriate?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">The central question is not \u00abwhich nutrients can be measured,\u00bb but \u00abwhich ones are worth measuring, and in what context.\u00bb A <em>blood test<\/em> A relevant test addresses a clinical hypothesis: a symptom, a risk factor, or a follow-up. When ordered without a valid reason, it often provides little value and may even cause confusion.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Dosage<\/th>\r\n<th>When it might make sense<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Ferritin and Complete Blood Count<\/td>\r\n<td>Fatigue with risk factors; suspected anemia<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Vitamin B12<\/td>\r\n<td>Vegan diet, older adults, malabsorption disorders, neurological signs<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Folate<\/td>\r\n<td>Pregnancy, certain types of anemia, very restricted diets<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Vitamin D<\/td>\r\n<td>Specific conditions or risk factors identified by the doctor<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Conversely, some tests do not accurately reflect the body\u2019s reserves. Blood magnesium, for example, accounts for only a tiny fraction of total reserves: a normal result does not completely rule out a deficiency. Calcium, on the other hand, is tightly regulated and is tested only in specific situations. These nuances explain why it is the healthcare professional who decides which tests to order, not an online form.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">What Influences the Decision to Administer a Dose<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>The presence of consistent clinical symptoms or signs.<\/li>\r\n<li>One or more risk factors have been identified.<\/li>\r\n<li>The overall context: medical history, medications, and other tests.<\/li>\r\n<li>The fact that the result will actually change how the condition is managed.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Ferritin, in particular, is often central to the assessment of fatigue, as it is linked to iron stores. However, it should be interpreted in conjunction with the complete blood count and the clinical context\u2014never in isolation.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"surdepistage\" style=\"text-align: left;\">Over-screening and commercial panels<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">We're seeing a proliferation of <em>commercial panels<\/em> that promise to measure a long list of vitamins and minerals all at once. The idea is appealing, but undergoing broad testing without good reason is not without risk. This is one of the classic examples that initiatives like Choose Wisely Canada urge us to question, to avoid tests that offer no real benefit.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Why Too Much Testing Can Be Harmful<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>Abnormal test results that are not significant can cause unnecessary anxiety.<\/li>\r\n<li>They sometimes lead to additional tests or treatments that are of no benefit.<\/li>\r\n<li>Some measurements do not accurately reflect actual reserves and can be misleading.<\/li>\r\n<li>A reassuring result may falsely rule out a real cause that lies elsewhere.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Being cautious doesn\u2019t mean testing for everything \u00abjust in case,\u00bb but rather testing for what\u2019s warranted. Targeted screening\u2014guided by your risk factors and interpreted by a healthcare professional\u2014is better than an exhaustive panel purchased without medical supervision.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"alimentation\" style=\"text-align: left;\">The Role of Diet<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">For most healthy people, a <em>varied diet<\/em> covers most vitamin and mineral needs. Before considering dosages or supplements, the first question is often: Is my diet varied enough? This is an area where a dietitian-nutritionist, a member of the Ordre professionnel des di\u00e9t\u00e9tistes du Qu\u00e9bec, can make a real difference.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">General Principles of a Balanced Diet<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>A variety of fruits and vegetables throughout the day.<\/li>\r\n<li>A variety of protein sources, both animal and plant-based.<\/li>\r\n<li>Whole grains rather than refined grains whenever possible.<\/li>\r\n<li>Vegans should pay special attention to vitamin B12.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">For most people, a varied diet remains the simplest and most reliable way to meet their nutritional needs. Situations that require more should be addressed on a case-by-case basis with a professional.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"supplements\" style=\"text-align: left;\">Supplements: Use Them Wisely<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Visit <em>supplements<\/em> have their place in certain specific situations, but they are no substitute for a proper diet and are not suitable for everyone. The idea that they are \u00abharmless by default\u00bb is misleading.<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li>At high doses, certain supplements can cause side effects.<\/li>\r\n<li>They may interact with medications or medical conditions.<\/li>\r\n<li>They alone do not correct an unbalanced diet.<\/li>\r\n<li>Their relevance depends on the individual situation.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Before starting a supplement, it\u2019s best to discuss it with a doctor, pharmacist, or dietitian-nutritionist, who can assess its appropriateness and potential interactions. A well-chosen supplement can be helpful in a specific situation; taken blindly, however, it can actually complicate matters.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mythes\" style=\"text-align: left;\">Myths and misconceptions<\/h3>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">\u00abIf I'm tired, it must be a deficiency.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>False.<\/strong> Fatigue can have countless possible causes, ranging from sleep deprivation to stress and other medical conditions. A nutritional deficiency is just one of many possible causes. Attributing your fatigue to a deficiency right away can delay the search for the true cause.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">\u00abIt's best to measure everything carefully to be sure.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>False.<\/strong> Broad testing without a specific reason can lead to false positives, anxiety, and unnecessary additional tests. Targeted screening, guided by the patient\u2019s clinical context, is more useful than a comprehensive panel.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">\u00abA normal result means everything is fine.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>Nuanced.<\/strong> A normal result is reassuring, but some test results\u2014such as blood magnesium levels\u2014do not accurately reflect the body\u2019s reserves. Interpretation should be left to a healthcare professional, who will consider the results within the broader context.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">\u00abSupplements can't hurt.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>False.<\/strong> When taken in high doses, certain supplements can cause adverse effects or interact with medications or medical conditions. They should be taken with caution and under professional guidance.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">\u00abEating a varied diet is always enough.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\"><strong>Nuanced.<\/strong> For many people, a varied diet meets their nutritional needs. However, certain situations\u2014such as pregnancy, a vegan diet, or bariatric surgery\u2014may require special attention and, in some cases, a supplement taken under medical supervision.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"faq\" style=\"text-align: left;\">Frequently asked questions<\/h3>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">How can I tell if I have a nutritional deficiency?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">You can't tell just from the symptoms alone, since they are often vague. A healthcare professional will determine, based on your risk factors and your specific situation, whether a test is necessary and how to interpret the results.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Which blood tests are actually useful?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">It depends on the situation. Ferritin, a complete blood count, vitamin B12, or folate levels may be relevant in certain contexts. Other tests do not accurately reflect nutrient stores. The decision is up to your healthcare provider, based on your symptoms and risk factors.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Are vitamin packs sold online worth it?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Broad-based testing without a specific reason can lead to false positives and anxiety, and often provides no real benefit. Targeted screening\u2014guided by your risk factors and interpreted by a professional\u2014is generally preferable.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Am I at risk if I'm vegan or pregnant?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">These situations can increase certain nutritional needs or risks, particularly regarding vitamin B12 in a vegan diet and iron and folate during pregnancy. This does not necessarily mean there is a deficiency, but it does mean that consulting with a healthcare professional is advisable.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Should I take supplements just to be safe?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">Not automatically. For many people, diet alone is sufficient. A supplement may be appropriate in specific situations, but this decision should be made in consultation with a doctor, pharmacist, or dietitian-nutritionist.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left;\">Who should I talk to about interpreting my results?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left;\">A doctor, who will help you understand the results in the context of your overall health. A pharmacist and a dietitian-nutritionist can also assist you. You can visit one of our service locations in Quebec or consult online.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"sources\" style=\"text-align: left;\">Sources<\/h3>\r\n\r\n\r\n\r\n<ol class=\"wp-block-list\" style=\"text-align: left;\">\r\n<li><a href=\"https:\/\/opdq.org\/\" target=\"_blank\" rel=\"noopener\">Quebec Professional Order of Dietitians<\/a><\/li>\r\n<li><a href=\"https:\/\/choisiravecsoin.org\/\" target=\"_blank\" rel=\"noopener\">Choose Wisely, Canada<\/a><\/li>\r\n<li><a href=\"https:\/\/www.inesss.qc.ca\/\" target=\"_blank\" rel=\"noopener\">National Institute for Excellence in Health and Social Services (INESSS)<\/a><\/li>\r\n<li><a href=\"https:\/\/www.canada.ca\/fr\/sante-canada.html\" target=\"_blank\" rel=\"noopener\">Health Canada<\/a><\/li>\r\n<li><a href=\"https:\/\/www.msss.gouv.qc.ca\/\" target=\"_blank\" rel=\"noopener nofollow\">Quebec Ministry of Health and Social Services (MSSS)<\/a><\/li>\r\n<\/ol>\r\n<p><\/p>\r\n<p><blockquote class=\"wp-embedded-content\" data-secret=\"Qi6qZCzldK\"><a href=\"https:\/\/cliniqueomicron.ca\/consultation-medicale\/\">Medical consultation | Clinique Omicron<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u00ab| Clinique Omicron \u00bb - Clinique Omicron\" src=\"https:\/\/cliniqueomicron.ca\/consultation-medicale\/embed\/#?secret=80ep8IBngi#?secret=Qi6qZCzldK\" data-secret=\"Qi6qZCzldK\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p>Suppl\u00e9ments en vente libre, panels sanguins vendus en ligne, articles alarmistes sur les \u00ab manques cach\u00e9s \u00bb : le sujet des carences nutritionnelles g\u00e9n\u00e8re beaucoup de bruit, et pas toujours de bons conseils. La r\u00e9alit\u00e9 est plus nuanc\u00e9e. Les vraies carences ne se devinent pas \u00e0 l&#8217;\u0153il, leurs signes sont souvent vagues, et un bilan&hellip;&nbsp;<a href=\"https:\/\/cliniqueomicron.ca\/en\/blogue-carences-nutritionnelles-bilan-sanguin-quebec\/\" rel=\"bookmark\">Read More \"<span class=\"screen-reader-text\">Nutritional Deficiencies: When a Blood Test Is Recommended<\/span><\/a><\/p>","protected":false},"author":8,"featured_media":36842,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"_metasync_otto_title":"","_metasync_otto_description":"","_metasync_otto_keywords":"","_metasync_otto_canonical":"","_metasync_metakeywords":"","_metasync_otto_og_title":"","_metasync_otto_og_description":"","_metasync_otto_twitter_title":"","_metasync_otto_twitter_description":"","_metasync_seo_title":"","_metasync_seo_desc":"","_metasync_breadcrumb_title":"","_metasync_primary_category":0,"_metasync_primary_product_cat":0,"_metasync_imported_seo_title":"","_metasync_imported_seo_desc":"","_metasync_otto_disabled":"","_metasync_hreflang":"","_metasync_plugin_sync_ts":"{\"aioseo\":\"2026-07-13T20:08:24+00:00\"}","_metasync_robots_advanced":"","_metasync_og_title":"Carences nutritionnelles : quand un bilan sanguin est pertinent","_metasync_og_description":"Carences nutritionnelles : fer, vitamine D, B12, folates. 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