Understanding NAD+
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme present in every cell, essential for energy production, DNA repair, and cellular communication. NAD+ levels decline significantly with age, contributing to age-related cellular dysfunction.
NAD+ Decline and Aging
As NAD+ decreases:
- Energy production efficiency drops
- DNA repair mechanisms slow
- Mitochondrial function deteriorates
- Cellular senescence increases
- Inflammation increases
These cascading effects contribute to visible and internal signs of aging.
Dietary Strategies to Support NAD+
Precursor Foods: Foods containing nicotinamide or nicotinic acid support NAD+ production:
- Chicken and turkey
- Tuna and salmon
- Mushrooms
- Peanuts and almonds
- Brown rice
Fasting and Caloric Restriction: Short-term fasting triggers NAD+ elevation and activates repair pathways. Even intermittent fasting (14-16 hour overnight fasts) supports NAD+ levels.
Exercise: Physical activity robustly increases NAD+ production. Both aerobic and resistance training are effective.
Supplemental Approaches
NAD+ precursors like NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside) show promise in supporting NAD+ levels. Dosing ranges from 250-1000 mg daily with emerging research on optimal protocols.
Lifestyle Support
Stress reduction, quality sleep, and consistent physical activity synergistically support NAD+ maintenance. Together, these interventions create conditions for optimal cellular energy and repair.
Supporting NAD+ through these strategies may contribute to healthier aging at the cellular level.