1.0MedLabshttps://www.medlabsgroup.com/armladminhttps://www.medlabsgroup.com/ar/author/mladmin/rich600338<blockquote class="wp-embedded-content" data-secret="GWUC3lEPe7"><a href="https://www.medlabsgroup.com/ar/lab-testing/vitamin-b12-cyanocobalamine-serum-plasma/">فيتامين ب 12 سيانوكوبلامين , مصل بلازما</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.medlabsgroup.com/ar/lab-testing/vitamin-b12-cyanocobalamine-serum-plasma/embed/#?secret=GWUC3lEPe7" width="600" height="338" title="“Vitamin B12 (Cyanocobalamine), Serum/Plasma” — MedLabs" data-secret="GWUC3lEPe7" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.medlabsgroup.com/wp-includes/js/wp-embed.min.js </script>https://www.medlabsgroup.com/wp-content/uploads/2023/01/COVID19-test-by-PCR-min-scaled.jpeg25601707Vitamin B12 is a cofactor and coenzyme in many biochemical reactions such as the formation of succinyl coenzyme-A (CoA) from methylmalonyl CoA, a reaction essential to myelin formation and maintenance and the synthesis of methionine from homocysteine, which is required for DNA synthesis. The source of vitamin B12 is entirely dietary, mainly from foods of […]