{"product_id":"magnesium","title":"Magnesium","description":"\u003cp\u003eInvolved in several hundred enzyme reactions. Less than one per cent of the body’s magnesium sits in blood, so a low result is meaningful but a normal one does not rule depletion out.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/biomarker-guide-vitamins-and-minerals#m-magnesium\"\u003eMagnesium in the Biomarker Guide\u003c\/a\u003e — what it is, why it is tested, and what moves the number.\u003c\/p\u003e\u003cp\u003eAdd-on markers can only be added to venous samples.\u003c\/p\u003e\u003ch3\u003eTiming\u003c\/h3\u003e\u003cp\u003eTake in the \u003cstrong\u003emorning, before any supplements\u003c\/strong\u003e. Serum magnesium dips after food and drifts through the day. If you take magnesium, leave at least 24 hours between the last dose and the sample, or you are measuring the dose rather than your stores.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTurnaround:\u003c\/strong\u003e the lab reports this test within 24 hours of receiving your sample, counted in working days. Most samples reach them within about 3 days of posting. Full detail on our \u003ca href=\"\/pages\/turnaround-times\"\u003eTurnaround Times\u003c\/a\u003e page.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWe do not interpret results. Not medical advice or a diagnosis.\u003c\/em\u003e\u003c\/p\u003e","brand":"N1 Health","offers":[{"title":"Default Title","offer_id":58266850918744,"sku":"N1-A-MAGNESIUM","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1533\/1928\/files\/magnesium-v5.png?v=1787608803","url":"https:\/\/n1health.co.uk\/products\/magnesium","provider":"N1 Health","version":"1.0","type":"link"}