Healthy Aging & Wellness Peptides
NAD+ and Healthy Aging
NAD+ occupies a central position in the biology of aging. It is required for the function of sirtuins — the longevity-associated proteins that regulate DNA repair, mitochondrial biogenesis, inflammation control, and metabolic homeostasis. It fuels PARP enzymes, the primary responders to DNA damage that accumulates with age and environmental stress. And it supports the cellular maintenance processes that determine how well tissues preserve their function over time. Restoring NAD+ to more youthful levels is therefore a mechanistically sound strategy for supporting healthy aging at the cellular level.
Sirtuins and Cellular Longevity
Sirtuins (SIRT1 through SIRT7) are a family of NAD+-dependent enzymes that regulate some of the most fundamental processes in cellular biology: DNA repair and gene expression regulation, mitochondrial biogenesis and efficiency, inflammation suppression, metabolic flexibility, and cellular stress resistance. Because sirtuins require NAD+ as a substrate, their activity is directly coupled to cellular NAD+ levels. Restoring NAD+ in depleted cells reactivates sirtuin function — restoring regulatory processes that slow or fail as NAD+ declines with age.
DNA Repair and Cellular Maintenance
PARP enzymes — the primary repair machinery for DNA strand breaks — consume NAD+ rapidly when activated. As DNA damage accumulates with age and environmental exposure, PARP activity increases, accelerating NAD+ depletion. This creates a vicious cycle: more damage leads to more PARP activation and more NAD+ depletion, which further impairs the sirtuin-mediated maintenance systems that would otherwise limit damage accumulation. NAD+ replenishment breaks this cycle by ensuring adequate substrate for both repair and maintenance pathways.
Frequently Asked Questions
How does NAD+ compare to NMN and NR supplements for anti-aging?
NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside) are NAD+ precursors — they are converted to NAD+ after absorption. They are convenient and have supporting evidence for raising cellular NAD+ levels. IV NAD+ delivers the coenzyme directly into circulation, achieving faster and higher peak tissue concentrations than oral precursors can consistently match. For those seeking the most direct and reliable NAD+ repletion, IV delivery offers a clear pharmacokinetic advantage.
These therapies are offered as part of individualized wellness programs and are not intended to diagnose, treat, cure, or prevent any disease. They are not a replacement for proper medical evaluation, imaging, rehabilitation, or other medically indicated care. Consult your provider to determine whether these wellness options are appropriate for your situation.
Related Topics
Book a Consultation
Every wellness plan at Vivere is individualized. Book a consultation at our Carmel or Salinas clinic to learn which options may be appropriate for you.