{"product_id":"nad","title":"NAD+","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003eNAD+ — Essential Coenzyme for Sirtuin and Cellular Aging Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNAD+\u003c\/strong\u003e (Nicotinamide Adenine Dinucleotide) is a fundamental coenzyme in 500+ enzymatic reactions. Critical substrate for sirtuins (SIRT1-7), PARPs, and CD38 — regulating DNA repair, epigenetics, circadian rhythms, and inflammation. Declining NAD+ is a hallmark of aging (Imai \u0026amp; Guarente, \u003cem\u003eTrends in Cell Biology\u003c\/em\u003e, 2014).\u003c\/p\u003e\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003eNAD+ participates in redox reactions (NAD+\/NADH) and is consumed by sirtuins for protein deacetylation, linking metabolic state to epigenetic regulation. PARP1 consumes NAD+ for DNA repair. NAD+ repletion restores mitochondrial function in aged mice (\u003cem\u003eScience\u003c\/em\u003e, 2013). CD38 identified as primary driver of age-related NAD+ decline.\u003c\/p\u003e\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSirtuin Biology:\u003c\/strong\u003e Absolute requirement for SIRT1 deacetylation of PGC-1α, FOXO, and histone H3K9 — linking metabolism to gene regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDNA Repair \u0026amp; Genomic Stability:\u003c\/strong\u003e PARP1\/2 consume NAD+ for poly(ADP-ribose) chains at damage sites. Depletion compromises repair capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMitochondrial Function:\u003c\/strong\u003e NAD+\/NADH ratio drives ETC flux and ATP production. Restoring levels rescues membrane potential in aged tissues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircadian Clock:\u003c\/strong\u003e NAD+ oscillates with NAMPT expression cycles. SIRT1 deacetylates BMAL1 and PER2 in NAD+-dependent manner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003eNAD+\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our \u003ca href=\"\/products\/nad\"\u003eNAD+\u003c\/a\u003e is supplied as a lyophilized powder for maximum stability and shelf life, shipped worldwide from our state-of-the-art facilities in temperature-controlled packaging.\u003c\/p\u003e\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying related pathways may also find these compounds relevant: \u003ca href=\"\/products\/ss-31\"\u003eSS-31\u003c\/a\u003e, \u003ca href=\"\/products\/glutathione-1500mg\"\u003eGlutathione\u003c\/a\u003e, and \u003ca href=\"\/products\/epithalon\"\u003eEpitalon\u003c\/a\u003e. Browse our \u003ca href=\"\/collections\/anti-aging\"\u003eLongevity Research\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"500","offer_id":60995752591690,"sku":"PBL-NAD-6G","price":69.99,"currency_code":"EUR","in_stock":true},{"title":"1000","offer_id":60995752624458,"sku":"PBL-NAD-6G","price":139.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-nad-plus-nicotinamide-adenine-dinucleotide-500mg-research-grade.webp?v=1773935010","url":"https:\/\/peptides-biolab.com\/products\/nad","provider":"Peptides BioLab","version":"1.0","type":"link"}