NAD 500mg

NAD Form: Lyophilized powder Purity: >99% Overview NAD (Nicotinamide Adenine Dinucleotide) is an endogenous nucleotide that plays a central role in cellular metabolism, energy production, and DNA repair. Beyond its coenzyme functions, NAD has also been studied as a secondary messenger in calcium-dependent signaling and as a potential immunoregulatory molecule. Research Background NAD is synthesized naturally in cells through pathways involving tryptophan, nicotinamide, nicotinic acid, nicotinamide riboside, and nicotinamide mononucleotide. These precursors contribute to the de novo and salvage pathways that maintain NAD levels. Research indicates that NAD participates in over 500 enzymatic reactions, supporting its essential role in energy metabolism and cellular function. Mechanism of Interest Redox coenzyme: Acts as a coenzyme in oxidation–reduction reactions, cycling between NAD and NADH to transfer energy within metabolic pathways. Enzyme regulation: Supports three key enzyme classes: sirtuins (SIRTs), poly(ADP-ribose) polymerases (PARPs), and ADP-ribosyl cyclases. Balance in activity: Competition among NAD -dependent enzymes highlights the importance of maintaining cellular NAD availability for optimal function. Aging and metabolism: Declining NAD levels have been linked to impaired energy metabolism, weakened DNA repair, and age-related dysfunction. Molecular Information Molecular Formula: C21H27N7O14P2 Molecular Weight: 663.43 g/mol Other Names: Nicotinamide adenine dinucleotide