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Nicotinamide riboside (NR) is a naturally occurring form of vitamin B3 and a key precursor to NAD+ (nicotinamide adenine dinucleotide), a critical coenzyme involved in cellular energy production and DNA repair.

Benefits of NAD＋

• Boosts NAD+ Levels: NR efficiently increases intracellular NAD+, which declines with age. This supports mitochondrial health—the "powerhouses" of cells—enhancing energy production and overall cellular vitality.
• Supports Metabolic Health: By aiding mitochondrial function, NR may improve glucose metabolism, insulin sensitivity, and lipid regulation, potentially benefiting weight management and metabolic balance.
• Anti-Aging Potential: NAD+ is critical for DNA repair and activating sirtuins (proteins linked to longevity). NR’s ability to raise NAD+ levels is associated with mitigating age-related cellular damage, supporting skin health, and preserving cognitive function.
• Enhances Physical Performance: Improved mitochondrial efficiency from NR may boost endurance, reduce fatigue, and aid post-exercise recovery by optimizing energy use in muscles.
• Neurological Support: Emerging research suggests NR could protect neurons by maintaining NAD+ levels, potentially supporting brain health and reducing age-related cognitive decline.

NR Mechanism of Action

The mechanism of action of nicotinamide riboside (NR) centers on its role as a key precursor for NAD+ (nicotinamide adenine dinucleotide) biosynthesis, a critical coenzyme involved in cellular energy metabolism and stress responses. Upon ingestion or topical application, NR is transported into cells via specific transporters (e.g., ENT1/2). Inside cells, it undergoes phosphorylation by kinases (e.g., NRK1/2) to form nicotinamide mononucleotide (NMN). NMN is then converted to NAD+ via NMN adenylyltransferases (NMNATs). Elevated NAD+ levels activate sirtuins (SIRT1-7), a family of proteins that regulate DNA repair, mitochondrial function, and cellular aging. NAD+ also serves as a cofactor in redox reactions (e.g., glycolysis, oxidative phosphorylation), supporting ATP production in mitochondria. Additionally, it acts as a substrate for PARPs (poly-ADP-ribose polymerases), enzymes critical for DNA damage repair.

Advantages of NR

• Efficient NAD+ Boosting: NR is highly effective at elevating intracellular NAD+ levels, even at lower doses, compared to other B3 forms (e.g., niacin, nicotinamide). Its unique transport mechanisms (via specific transporters like ENT1/2) allow better cellular uptake, making it a potent NAD+ enhancer.
• Favorable Safety Profile: Unlike niacin, which often causes flushing or gastrointestinal discomfort, NR is generally well-tolerated with minimal side effects, even at higher doses. This makes it suitable for long-term use in supplements and skincare.
• Targeted Cellular Support: By increasing NAD+, NR specifically enhances mitochondrial function (critical for energy production) and activates sirtuins (proteins regulating aging and DNA repair). This targeted action supports metabolic health, cognitive function, and anti-aging more precisely than broader antioxidants.
• Versatility: NR works across multiple systems—supporting muscle endurance, skin rejuvenation, and metabolic balance—making it adaptable for diverse applications, from dietary supplements to anti-aging cosmetics.
• Bioavailability: Its molecular structure allows efficient absorption and conversion to NAD+ in various tissues, ensuring consistent efficacy across different cell types and organs.

 Key Technical Specifications