{"product_id":"nad","title":"NAD","description":"\u003cp\u003e\u003cstrong\u003eNAD+\u003c\/strong\u003e (Nicotinamide Adenine Dinucleotide) is an essential coenzyme central to cellular energy metabolism. It is a research-grade cofactor, not a peptide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMechanism of action.\u003c\/strong\u003e NAD+ participates in redox reactions of cellular respiration and serves as a substrate for sirtuins and PARP enzymes. Research models examine NAD+ availability in relation to mitochondrial function, DNA-repair signaling, and metabolic homeostasis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eResearch applications.\u003c\/strong\u003e Studied in cellular-bioenergetics, sirtuin-pathway, and aging models.\u003c\/p\u003e\u003cp\u003eSupplied as a lyophilized powder, ≥99% HPLC purity; Certificate of Analysis available on request. Available for laboratory and research purposes only.\u003c\/p\u003e","brand":"Nordi Science","offers":[{"title":"500mg","offer_id":48811314217210,"sku":"NAD-500MG","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1000mg","offer_id":48811314249978,"sku":"NAD-1000MG","price":112.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/1183\/9994\/files\/NordiScience_NAD_card_3b60082a-88fb-42b7-b440-8429ca08e19a.png?v=1785742350","url":"https:\/\/checkout.nordiscience.com\/products\/nad","provider":"Nordi Science","version":"1.0","type":"link"}