NAD+

Nicotinamide Adenine Dinucleotide (NAD+) is a dinucleotide composed of two nucleotides joined through their phosphate groups: one containing adenine and the other containing nicotinamide. This molecule exists in two forms, an oxidized form (NAD+) and a reduced form (NADH), which are interconverted in numerous metabolic pathways. The structure facilitates its function as a carrier of electrons in various enzymatic reactions, particularly in catabolic processes. The historical understanding of NAD+ dates back to early 20th-century biochemical research, where its involvement in fermentation and cellular respiration was first elucidated. Subsequent studies have progressively revealed its extensive participation in glycolysis, the Krebs cycle, and oxidative phosphorylation. Beyond its well-established role in energy metabolism, NAD+ serves as a substrate for a variety of enzymes, including sirtuins, PARPs, and CD38/CD157, which are involved in cellular signaling, DNA repair, and epigenetic regulation. Research applications for NAD+ include studies on enzyme kinetics, metabolic pathway analysis, and investigations into cellular redox state. Its involvement in signal transduction pathways and its function as a substrate for NAD-dependent enzymes make it a valuable tool for exploring fundamental cellular mechanisms. Understanding the dynamics of NAD+ levels and its interactions with various proteins is crucial for comprehending cellular homeostasis and stress responses. Pure Peptides supplies NAD+ for laboratory and academic research, enabling scientists to investigate its complex roles in biochemical systems. This product is intended solely for in vitro research and not for human or animal consumption.