{"id":36671,"date":"2026-08-08T14:10:33","date_gmt":"2026-08-08T18:10:33","guid":{"rendered":"https:\/\/cliniqueomicron.ca\/?p=36671"},"modified":"2026-08-18T15:04:27","modified_gmt":"2026-08-18T19:04:27","slug":"blogue-magnesium-carence-dosage-quebec","status":"publish","type":"post","link":"https:\/\/cliniqueomicron.ca\/en\/blogue-magnesium-carence-dosage-quebec\/","title":{"rendered":"Magnesium: Role, Deficiency, and the Importance of Testing"},"content":{"rendered":"<p class=\"wp-block-paragraph\" style=\"text-align: left\">Magnesium is an unassuming mineral that nevertheless plays a role in hundreds of reactions throughout the body\u2014from the muscles to the heart, including the nerves and bones. We often hear about it in connection with supplements or nighttime cramps, but the reality is more nuanced. This article provides an overview of magnesium\u2019s role and the signs that may indicate a <strong>magnesium deficiency<\/strong>, its possible causes, and a question that often comes up in clinical practice: Is a blood test really useful for determining whether you have a deficiency? Nothing here replaces the advice of a healthcare professional.<\/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=\"#a-quoi-sert\">What is magnesium used for?<\/a><\/li>\r\n<li><a href=\"#besoins-sources\">Our Needs and Where to Find It<\/a><\/li>\r\n<li><a href=\"#signes-carence\">Possible Signs of Deficiency<\/a><\/li>\r\n<li><a href=\"#pourquoi-carence\">Why a deficiency may occur<\/a><\/li>\r\n<li><a href=\"#dosage-sanguin\">Blood Tests: Useful or Misleading?<\/a><\/li>\r\n<li><a href=\"#supplements\">Supplements: Caution Is Advised<\/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<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"a-quoi-sert\" style=\"text-align: left\">What is magnesium used for?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Magnesium is a <em>cofactor<\/em>, that is, a substance that many enzymes need to function. It plays a role in energy production, muscle contraction and relaxation, the transmission of nerve signals, and the stability of the heart rate. Most of our stores are found in the bones and muscles, and only a very small fraction circulates in the blood. As we\u2019ll see, this distribution makes all the difference when it comes to assessing a deficiency.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Magnesium is also part of the large family of electrolytes\u2014minerals that carry an electrical charge and, together, regulate fluid balance, cellular excitability, and signal conduction in the body. It rarely acts alone: its function is intertwined with that of calcium, potassium, and sodium. This is why magnesium levels are rarely assessed in isolation.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Muscles and Nerves<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>Helps the muscles contract and then relax.<\/li>\r\n<li>Helps ensure the normal transmission of nerve impulses.<\/li>\r\n<li>Helps maintain balance along with other minerals such as calcium and potassium.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Heart and Bones<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>Helps maintain a regular heart rate.<\/li>\r\n<li>It is a component of bone structure, along with calcium and vitamin D.<\/li>\r\n<li>Plays a role in regulating blood sugar and blood pressure, in conjunction with other factors.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"besoins-sources\" style=\"text-align: left\">Our Needs and Where to Find It<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Visit <em>recommended intake<\/em> vary depending on age, gender, and certain circumstances, such as pregnancy. The good news is that magnesium is found in many common foods that are part of a balanced diet. A varied meal generally meets the needs of most people.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Good dietary sources<\/h4>\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>Food category<\/th>\r\n<th>Examples<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Legumes<\/td>\r\n<td>Black beans, chickpeas, lentils<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Nuts and seeds<\/td>\r\n<td>Almonds, cashews, pumpkin seeds<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Whole grains<\/td>\r\n<td>Whole-wheat, oat, and brown rice bread<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Green vegetables<\/td>\r\n<td>Spinach, other leafy vegetables<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other<\/td>\r\n<td>Dark chocolate, bananas, dairy products<\/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\">The exact amounts that are right for you depend on your personal situation. A healthcare professional or a dietitian-nutritionist can help you determine whether your diet meets your needs.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">To remember<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>Magnesium plays a role in the muscles, nerves, heart, and bones.<\/li>\r\n<li>Most of the reserves are found in the bones and muscles, with very little in the blood.<\/li>\r\n<li>A varied diet generally meets one's nutritional needs.<\/li>\r\n<li>Legumes, nuts, whole grains, and leafy green vegetables are good sources of these nutrients.<\/li>\r\n<li>The signs of a deficiency are often nonspecific.<\/li>\r\n<li>It is up to a healthcare professional to interpret a deficiency.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"signes-carence\" style=\"text-align: left\">Possible Signs of Deficiency<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">A <em>obvious deficiency<\/em> Magnesium deficiency remains relatively rare in the general healthy population, but an insufficient intake over a long period of time can occur. The symptoms mentioned are often vague and may have many other causes. This is precisely why you should not self-diagnose.<\/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>Muscle cramps or spasms.<\/li>\r\n<li>Fatigue and general weakness.<\/li>\r\n<li>Loss of appetite, nausea.<\/li>\r\n<li>Tingling or numbness.<\/li>\r\n<li>Irritability or sleep disturbances.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">These symptoms are not specific to magnesium. Cramps or fatigue can result from hydration, physical exertion, sleep, stress, or other imbalances. Only a medical evaluation that takes the full picture into account can provide clarity.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">It is also important to distinguish between a slightly inadequate intake over several months and a severe deficiency, which is rarer and generally linked to an underlying medical condition. In the first case, adjusting one\u2019s diet may be sufficient; in the second, the underlying cause must be identified and treated. This distinction cannot be made on one\u2019s own using a search engine\u2014it requires the expertise of a healthcare professional.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">To remember<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>A true deficiency is relatively rare in healthy people.<\/li>\r\n<li>The symptoms described are vague and nonspecific.<\/li>\r\n<li>Cramps and fatigue can have many possible causes.<\/li>\r\n<li>A slightly insufficient intake is different from a severe deficiency.<\/li>\r\n<li>A severe deficiency often has an underlying medical cause.<\/li>\r\n<li>Avoid self-diagnosis; leave the assessment to a professional.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"pourquoi-carence\" style=\"text-align: left\">Why a deficiency may occur<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Several <em>factors<\/em> can reduce magnesium intake, increase losses, or impair its absorption. They often interact with one another.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Commonly Cited Causes<\/h4>\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>Category<\/th>\r\n<th>Examples of situations<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Power supply<\/td>\r\n<td>A diet low in unprocessed foods, prolonged insufficient intake<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Alcohol Consumption<\/td>\r\n<td>High intake may increase urinary loss<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Certain medications<\/td>\r\n<td>Certain diuretics or long-term treatments that reduce stomach acidity<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Digestive disorders<\/td>\r\n<td>Conditions that reduce intestinal absorption, prolonged diarrhea<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other Terms and Conditions<\/td>\r\n<td>Certain kidney diseases or specific medical conditions<\/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\">This list is general and for informational purposes only. If you are taking medications or have a chronic condition, do not make any changes on your own: talk to your doctor or pharmacist.<\/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 health or your test results? Take <a href=\"https:\/\/cliniqueomicron.ca\/rendez-vous\/\/\">appointment<\/a> At one of our service locations in Quebec, choose a <a href=\"https:\/\/cliniqueomicron.ca\/consultation-en-ligne\/\/\">online consultation<\/a> with a healthcare professional, or explore our <a href=\"https:\/\/cliniqueomicron.ca\/pour-entreprises\/\">business services<\/a>.<\/strong><\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"dosage-sanguin\" style=\"text-align: left\">Blood Tests: Useful or Misleading?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">That's the crux of the matter. Many people believe that a simple blood test settles the issue of magnesium. The reality is more nuanced: the <em>blood magnesium<\/em> accounts for only a tiny fraction of the body\u2019s reserves. It is therefore possible to have a blood test result within the normal range while still having reduced reserves in the tissues. Clinicians are well aware of this limitation, which is why a single number never tells the whole story.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">The body closely regulates the level of magnesium circulating in the blood. When intake decreases, it can draw on the bones and muscles to keep blood levels stable\u2014much like a checking account that is replenished from savings. The result: blood levels may appear normal while the \u201csavings\u201d are dwindling. Conversely, low levels always warrant special attention and should be evaluated by a doctor.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Why Blood Is a Poor Indicator of Reserves<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>The vast majority of magnesium is stored in the bones and muscles.<\/li>\r\n<li>The body tends to keep blood levels stable, even as reserves decline.<\/li>\r\n<li>A normal blood test result therefore does not completely rule out a deficiency.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">When Testing May Be Appropriate<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>If specific symptoms or medical conditions are present.<\/li>\r\n<li>In people taking certain long-term medications.<\/li>\r\n<li>As part of a follow-up supervised by a doctor, who interprets the results in context.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">In other words, a single test result, ordered without a clinical indication, often provides little reliable information. It is up to the healthcare professional to determine its relevance and interpret it, based on each person\u2019s medical history.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"supplements\" style=\"text-align: left\">Supplements: Caution Is Advised<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Visit <em>magnesium supplements<\/em> are popular and available without a prescription. That doesn't mean they're right for everyone or that they have no side effects. In high doses, magnesium can cause side effects, and it can interact with certain medical conditions or medications.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Points to Watch For<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\" style=\"text-align: left\">\r\n<li>Excessive intake of supplements can lead to digestive problems such as diarrhea.<\/li>\r\n<li>People with kidney disease should be especially careful.<\/li>\r\n<li>Interactions with certain medications are possible.<\/li>\r\n<li>Diet remains the primary source to prioritize for most people.<\/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 a good idea to talk to a doctor, pharmacist, or dietitian-nutritionist. They can assess whether it\u2019s right for you and check to make sure it\u2019s compatible with your overall health situation.<\/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\">\u00abA normal blood test shows that I'm not deficient in it.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\"><strong>Nuanced.<\/strong> Blood magnesium levels may remain normal even when tissue stores are depleted. A normal result is reassuring, but it is not always sufficient to rule out a deficiency. Interpretation should be left to a healthcare professional.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">\u00abAll my muscle cramps are caused by a magnesium deficiency.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\"><strong>False.<\/strong> Cramps can have many possible causes: hydration, physical exertion, sleep, circulation, and medications. Automatically attributing a cramp to magnesium deficiency 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\">\u00abThe more magnesium I take, the better\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\"><strong>False.<\/strong> Excessive intake does not provide any additional benefits and can cause adverse effects, especially when it comes to supplements. Moderation and professional advice are preferable.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">\u00abMagnesium from food is never enough\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\"><strong>False.<\/strong> For most healthy people, a varied diet provides enough magnesium. Supplements are intended for specific situations, not as a universal solution.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">\u00abElectrolyte imbalances are all corrected in the same way.\u00bb<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\"><strong>Nuanced.<\/strong> Magnesium is one of the electrolytes, but each has its own role and dynamics. They are not managed interchangeably; their balance should be assessed holistically, in consultation with a healthcare professional.<\/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\">Is a blood test for magnesium reliable?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">It provides incomplete information. Since blood contains only a small portion of the body\u2019s magnesium, a normal level does not guarantee sufficient reserves. Its usefulness depends on the clinical context, which must be evaluated by a healthcare professional.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Should I take a magnesium supplement?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Not necessarily. For many people, diet alone is sufficient. A supplement may be appropriate in certain 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\">Which foods are highest in magnesium?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Legumes, nuts and seeds, whole grains, and leafy green vegetables are among the best sources. A varied diet helps meet the needs of most people.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Do cramps indicate a magnesium deficiency?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Not necessarily. Cramps can have several possible causes. If they occur frequently or are bothersome, it\u2019s best to discuss them with a healthcare professional rather than assuming you have a magnesium deficiency.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\" style=\"text-align: left\">Is it possible to take too much magnesium?<\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align: left\">Yes, especially when taken as supplements. Excessive intake can cause digestive problems and pose a risk in cases of kidney disease. Magnesium from food poses less of a risk, but caution is still advised when taking supplements.<\/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\" 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:\/\/odnq.org\/\" target=\"_blank\" rel=\"noopener\">Quebec Professional Order of Dietitians<\/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<li><a href=\"https:\/\/www.inspq.qc.ca\/\" target=\"_blank\" rel=\"noopener nofollow\">Quebec National Institute of Public Health (INSPQ)<\/a><\/li>\r\n<\/ol>\r\n<p><blockquote class=\"wp-embedded-content\" data-secret=\"SDVtd3cYsL\"><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=FpryXFVvAc#?secret=SDVtd3cYsL\" data-secret=\"SDVtd3cYsL\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p>Le magn\u00e9sium est un min\u00e9ral discret qui intervient pourtant dans des centaines de r\u00e9actions du corps, des muscles au c\u0153ur en passant par les nerfs et les os. On en entend souvent parler \u00e0 travers les suppl\u00e9ments ou les crampes nocturnes, mais la r\u00e9alit\u00e9 est plus nuanc\u00e9e. Cet article fait le point sur le r\u00f4le&hellip;&nbsp;<a href=\"https:\/\/cliniqueomicron.ca\/en\/blogue-magnesium-carence-dosage-quebec\/\" rel=\"bookmark\">Read More \"<span class=\"screen-reader-text\">Magnesium: Role, Deficiency, and the Importance of Testing<\/span><\/a><\/p>","protected":false},"author":8,"featured_media":36833,"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\":\"2026-08-18T19:04:28+00:00\"}","_metasync_robots_advanced":"","_metasync_og_title":"Magn\u00e9sium : r\u00f4le, carence et pertinence du dosage","_metasync_og_description":"Crampes, fatigue : est-ce un manque de magn\u00e9sium ? 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