NAD+: What the Research Shows
Also known as: Nicotinamide Adenine Dinucleotide, NAD
A coenzyme critical for cellular energy and DNA repair. Not technically a peptide, but commonly discussed alongside peptide therapies in the longevity space.
This content is for educational purposes only and is not medical advice. Consult a qualified healthcare provider before making any health decisions. Full disclaimer
Quick Facts
Regulatory Status
NAD+ itself is not FDA-approved as a drug. Precursors (NMN, NR) are sold as supplements. IV NAD+ is offered at clinics but not FDA-regulated.
Researched Applications
Key Research (1 studies cited)
NAD+ metabolism and its roles in cellular processes during ageing
reviewCovarrubias AJ, et al. (2021) — Nature Reviews Molecular Cell Biology
Comprehensive review of NAD+ decline with aging and its role in cellular processes including sirtuins, PARP, and CD38.
Key finding: NAD+ levels decline with age across species, and restoring NAD+ has shown benefits in animal models for multiple aging-related conditions.
PubMed: 33353981About this article: Written by the PeptideMark Research Team. Last reviewed 2026-03-11. All factual claims are cited to peer-reviewed sources. PubMed links open in a new tab for independent verification. Editorial methodology · Medical disclaimer
The Peptide Brief
Weekly peptide research digest. No spam.