# NAD+ Research > NAD+ cellular energy research — nicotinamide adenine dinucleotide, sirtuin activation, mitochondrial function, DNA repair, PARP activity, aging research, and longevity mechanisms with PubMed data. This site is part of the System Peptides Research Network, a collection of specialized peptide research resources. All content is peer-reviewed and sourced from PubMed-indexed publications. ## Research Focus - Nicotinamide Adenine Dinucleotide (NAD+, NAD, Coenzyme I) ## Pages - Home: https://nadplus-research.com/ - Research: https://nadplus-research.com/research/ - Articles: https://nadplus-research.com/articles/ - About: https://nadplus-research.com/about/ - Privacy: https://nadplus-research.com/privacy/ - Accessibility: https://nadplus-research.com/accessibility/ - NAD+ and Longevity: What the Latest Research Shows: https://nadplus-research.com/articles/nad-plus-longevity-research-2026/ - What Is NAD+? Cellular Energy and Sirtuin Pathway Research: https://nadplus-research.com/articles/what-is-nad-plus-cellular-energy-research/ - The SIRT1-NAD+ Axis: A Key Target in Peptide Longevity Research: https://nadplus-research.com/articles/sirt1-nad-axis-peptide-longevity-research/ ## Related Resources - Research Vials Store: https://researchvials.com - MOTS-c Research: https://motscresearch.com - Epitalon Research: https://epitalon-research.com - Pinealon Research: https://pinealonresearch.com ## Content Policy All content is for educational and research purposes only. Products referenced are for laboratory research use only. Not evaluated by the FDA.