NAD+

NAD⁺ (nicotinamide adenine dinucleotide, oxidized form) is a research‑grade biochemical coenzyme supplied as a lyophilized powder for use as a redox cofactor in enzymatic assays and cellular metabolism studies in controlled laboratory settings.  This material is provided strictly as a chemical reagent for in vitro research and is not a drug, dietary supplement, or cosmetic and is not approved for human or veterinary use.