{"id":873,"date":"2026-08-26T01:45:23","date_gmt":"2026-08-26T01:45:23","guid":{"rendered":"https:\/\/vistaralabs.ca\/?p=873"},"modified":"2026-09-04T03:11:07","modified_gmt":"2026-09-04T03:11:07","slug":"nad-plus-not-a-peptide","status":"publish","type":"post","link":"https:\/\/vistaralabs.ca\/fr\/nad-plus-not-a-peptide\/","title":{"rendered":"Le NAD+ n'est pas un peptide. Voici ce que c'est."},"content":{"rendered":"<p><strong><a href=\"https:\/\/vistaralabs.ca\/fr\/buy-nad-canada\/\">NAD+<\/a> is not a peptide.<\/strong> It sits in peptide catalogues, gets ordered alongside peptides, and is discussed in the same research conversations \u2014 but structurally it belongs to a different class of molecule entirely. That is worth understanding before you order it, because it changes what the purity figure on the COA is actually measuring.<\/p>\n<h2>Findings<\/h2>\n<ul class=\"vl-findings\">\n<li>NAD+ is <strong>not a peptide<\/strong>: it is a coenzyme, a different class of molecule with no amino acids in it.<\/li>\n<li>Its job is electron transfer, the core of cellular energy metabolism, which is why it appears wherever mitochondria are studied.<\/li>\n<li>Its certificate of analysis reports small-molecule purity; there is no peptide sequence to confirm.<\/li>\n<li>Its research territory overlaps most with MOTS-c.<\/li>\n<\/ul>\n<h2>What NAD+ actually is<\/h2>\n<p>NAD+ (nicotinamide adenine dinucleotide) is a <strong>coenzyme<\/strong>: a small molecule built from two nucleotides joined through their phosphate groups. Peptides are chains of amino acids. NAD+ contains no amino acids at all.<\/p>\n<p>Its role in the cell is electron transfer. NAD+ accepts electrons and becomes NADH; NADH donates them and reverts to NAD+. That cycle runs continuously in every cell, and it is the reason the molecule appears wherever cellular energy metabolism is being studied.<\/p>\n<div class=\"vl-note\">\n<p>The practical consequence: a NAD+ certificate of analysis reports the purity of a small organic molecule, typically by HPLC. It is not a peptide-sequence confirmation, because there is no sequence to confirm.<\/p>\n<\/div>\n<h2>Why it sits alongside peptides<\/h2>\n<p>Classification aside, NAD+ shares the research territory. Work on mitochondrial function, cellular energy metabolism and metabolic regulation tends to involve both, which is why the same laboratories order both.<\/p>\n<p>It overlaps particularly with <a href=\"https:\/\/vistaralabs.ca\/fr\/mots-c\/\">MOTS-c<\/a>, a mitochondrial-derived peptide studied in the same energy-metabolism context, and with <a href=\"https:\/\/vistaralabs.ca\/fr\/ss-31-10mg\/\">SS-31<\/a>, which is investigated in connection with mitochondrial membranes.<\/p>\n<h2>Handling: this one is fussier<\/h2>\n<p>NAD+ is more sensitive than most of the lyophilised peptides beside it on the shelf. It is hygroscopic \u2014 it draws moisture from the air \u2014 and it degrades faster in solution than in the dry state, with stability falling off as pH and temperature rise.<\/p>\n<p>In practice that means keeping the vial sealed until it is needed, minimising the time it spends open, and refrigerating anything reconstituted. As with any research material, specific handling protocols are set by the researcher.<\/p>\n<h2>What to check before ordering<\/h2>\n<p>Because NAD+ is a small molecule rather than a synthesised peptide chain, the relevant questions differ slightly: a stated purity figure backed by a certificate of analysis, an intact seal, and packaging that keeps moisture out.<\/p>\n<p>Vistara Labs supplies <a href=\"https:\/\/vistaralabs.ca\/fr\/nad-500mg\/\">NAD+ in 500&nbsp;mg vials<\/a>, third-party tested with, shipping across Canada with free shipping over $150.<\/p>\n<div class=\"vl-ruo\">\n<p>All products supplied by Vistara Labs are intended for laboratory research use only. They are not drugs, are not approved for human or veterinary use, and are not intended to diagnose, treat, cure or prevent any condition. Nothing on this page constitutes medical advice or guidance for use in humans.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>NAD+ is not a peptide. It sits in peptide catalogues, gets ordered alongside peptides, and is discussed in the same research conversations \u2014 but structurally it belongs to a different class of molecule entirely. That is worth understanding before you order it, because it changes what the purity figure on the COA is actually measuring&#8230;.<\/p>","protected":false},"author":1,"featured_media":1278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_vistara_fr_title":"Le NAD+ n\u2019est pas un peptide | Vistara Labs","_vistara_fr_desc":"Le NAD+ est un coenzyme, pas un peptide. Pourquoi la distinction compte \u00e0 l\u2019achat.","_vl_research_product":42,"footnotes":""},"categories":[33],"tags":[],"vl_research_area":[42],"class_list":["post-873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peptide-research"],"_links":{"self":[{"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/posts\/873","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/comments?post=873"}],"version-history":[{"count":2,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/posts\/873\/revisions"}],"predecessor-version":[{"id":1411,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/posts\/873\/revisions\/1411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/media\/1278"}],"wp:attachment":[{"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/media?parent=873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/categories?post=873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/tags?post=873"},{"taxonomy":"vl_research_area","embeddable":true,"href":"https:\/\/vistaralabs.ca\/fr\/wp-json\/wp\/v2\/vl_research_area?post=873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}