NAD+

NAD+ (nicotinamide adenine dinucleotide) is a naturally occurring coenzyme present in all living cells, supplied here in a reconstitutable lyophilized format for research and professional use. As a research compound, it is studied in the published literature as a central electron carrier and redox cofactor that participates in cellular energy metabolism and a broad range of enzymatic reactions. This material is provided for licensed practitioner and laboratory reference only and is not approved by the FDA for therapeutic use. It is grouped within the Cognitive and Longevity catalog category because much of the published literature investigating NAD+ biology centers on cellular energetics, metabolic signaling, and age-associated changes in tissue NAD+ levels. The information below is intended as a professional reference summary of areas of scientific interest; it does not constitute marketing toward patients and makes no claim of clinical benefit. Individual results vary and findings discussed are research-stage rather than established outcomes.

• Investigated in research literature in relation to cellular energy metabolism and mitochondrial redox balance
• Studied in preclinical and aging-biology research in relation to age-associated changes in tissue NAD+ levels
• Examined in research settings in connection with DNA-repair enzyme activity and sirtuin-dependent signaling pathways
• Explored in scientific literature in the context of cognitive and neurological research models
• Referenced in metabolic research investigating NAD+/NADH ratios and substrate utilization (individual results vary; findings are research-stage and not therapeutic claims)

For reference only: lyophilized NAD+ is commonly reconstituted with bacteriostatic water for research use, with the diluent added slowly against the vial wall and the vial swirled gently rather than shaken to help preserve compound integrity. Unopened lyophilized vials are generally stored frozen or refrigerated and protected from light and moisture, while reconstituted material is typically kept refrigerated, protected from light, and used within the stability window indicated by the supplier or established through laboratory testing. Repeated freeze-thaw cycles, excessive heat, and direct light exposure are generally avoided. All reconstitution, concentration, and any clinical protocols are determined solely by the licensed ordering provider at their professional discretion; this is reference information for research and professional use only and is not medical advice.

A per-lot Certificate of Analysis, HPLC purity profile, and mass-spectrometry verification are available on request for this product. Ask your account manager for the current lot documentation.

In the published scientific literature, NAD+ is described as a coenzyme that cycles between its oxidized (NAD+) and reduced (NADH) forms to shuttle electrons in central metabolic pathways such as glycolysis, the citric acid cycle, and oxidative phosphorylation. Beyond this redox role, research has characterized NAD+ as a substrate for several classes of enzymes, including sirtuins, which are studied in relation to gene-regulation and stress-response signaling, and PARPs, which are studied in connection with DNA repair. Because intracellular NAD+ availability is reported in research to influence the activity of these enzymes, much of the proposed mechanistic interest concerns how supplying or modulating NAD+ may affect these pathways in experimental models. These mechanisms are described as studied or proposed in the literature rather than as established clinical effects, and individual results vary.