Understanding NAD+ Decline: What The Research Shows
CELYFE Research
Nicotinamide Adenine Dinucleotide (NAD+) is a coenzyme present in every living cell. It serves as an essential cofactor in over 500 enzymatic reactions, playing critical roles in mitochondrial energy production, DNA repair, and cellular signaling pathways.
Research published in Cell Metabolism by Yoshino et al. (2018) demonstrated that NAD+ levels decline significantly with age - with reductions of 40-60% observed by the fifth decade of life. This decline is associated with reduced mitochondrial function, impaired DNA repair capacity, and dysregulated circadian rhythms.
The decline in NAD+ is driven by multiple factors: increased activity of CD38 (an NAD+-consuming enzyme that increases with chronic inflammation), reduced activity of NAMPT (the rate-limiting enzyme in NAD+ biosynthesis), and accumulated DNA damage that activates PARP enzymes, which consume NAD+ during repair processes.
Multiple studies have demonstrated that restoring NAD+ levels through precursor supplementation - primarily NMN (Nicotinamide Mononucleotide) and NR (Nicotinamide Riboside) - can activate sirtuins, support mitochondrial biogenesis, and promote healthy cellular aging pathways.
The method of delivery significantly impacts bioavailability. Oral supplements face degradation in the digestive tract, with estimated bioavailability of 20-30%. Subcutaneous delivery, as used in the CELYFE Precision Pen, bypasses digestive degradation and may achieve significantly higher bioavailability.
Current research continues to explore the relationship between NAD+ levels, sirtuin activation, and healthy aging. While the field is promising, more long-term human clinical trials are needed to fully characterize the benefits and optimal dosing protocols.
*These products are food supplements and are not intended to diagnose, treat, cure, or prevent any disease. This product has not been evaluated by the European Food Safety Authority (EFSA) or the U.S. Food and Drug Administration (FDA). Content is for informational purposes only and should not be considered medical advice.