NAD+
NAD+ (Nicotinamide Adenine Dinucleotide) is a critical coenzyme present in all living cells that plays a central role in cellular metabolism, energy production, and overall cellular health. It is essential for redox reactions, acting as a key electron carrier in metabolic pathways such as glycolysis, the citric acid cycle, and oxidative phosphorylation. NAD+ levels naturally decline with age, which has been associated with reduced cellular function, mitochondrial dysfunction, and age-related decline in tissue repair.
Overview
NAD+ is involved in a wide range of biological processes, including energy metabolism, DNA repair, gene expression regulation, and cellular signaling. Research indicates that maintaining optimal NAD+ levels may support mitochondrial health, promote healthy aging, and improve cellular resilience. NAD+ is also a substrate for enzymes such as sirtuins and PARPs, which are involved in epigenetic regulation, stress response, and DNA repair.
- Supports cellular energy production and metabolism
- Plays a key role in DNA repair and genomic stability
- Acts as a cofactor for sirtuins, influencing longevity pathways
- Research suggests potential benefits in aging, neurodegeneration, and metabolic health
Specifications
- Chemical Name: Nicotinamide Adenine Dinucleotide
- Molecular Formula: C21H27N7O14P2
- Molecular Weight: 663.43 g/mol
- Other Names: NAD+, β-NAD+, Coenzyme I
Research and Clinical Insights
Cellular Metabolism and Energy Production
NAD+ is essential for redox reactions in energy metabolism, transferring electrons from metabolic intermediates to the electron transport chain. Optimal NAD+ levels are critical for efficient ATP production and overall cellular energy balance. Declining NAD+ levels are linked to mitochondrial dysfunction, which may contribute to age-related fatigue, decreased exercise performance, and metabolic dysregulation.
DNA Repair and Genomic Stability
NAD+ serves as a substrate for poly(ADP-ribose) polymerases (PARPs), enzymes involved in detecting and repairing DNA damage. Adequate NAD+ levels support genomic integrity and may reduce the accumulation of age-related DNA damage, potentially influencing longevity and cellular health.
Sirtuin Activation and Aging Pathways
Sirtuins are NAD+-dependent enzymes that regulate gene expression, stress resistance, and mitochondrial function. By maintaining NAD+ availability, sirtuin activity is supported, which is associated with improved metabolic function, cellular repair, and potentially lifespan extension in experimental models.
Neuroprotective and Cognitive Effects
Preclinical studies suggest that NAD+ may support brain health by maintaining neuronal energy metabolism, enhancing mitochondrial function, and protecting against oxidative stress. These effects have been investigated in models of neurodegenerative diseases and age-related cognitive decline.
Usage Considerations
NAD+ is primarily used for research and laboratory purposes. While supplementation strategies are being studied in clinical research, NAD+ is not approved for therapeutic use outside controlled studies. Laboratory handling and safety protocols should be strictly followed.
Note: NAD+ is available for research purposes only. Please review and adhere to all applicable Terms and Conditions before ordering.





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