What Is This?
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every living cell - you can think of it as a rechargeable helper molecule that cells constantly recycle. Cells use it to turn nutrients into ATP (usable energy) and to power enzymes involved in DNA repair, gene regulation, and stress response. Researchers study it heavily because NAD+ levels tend to fall as cells age, become stressed, or face metabolic challenge.
What Do Researchers Study?
Labs measure how supplemental NAD+ affects ATP production, mitochondrial membrane potential, and sirtuin enzyme activity (SIRT1, SIRT3, and others - often grouped under longevity pathway research). It is also used in senescent cell cultures, PARP-mediated DNA repair assays, and metabolic stress models where the NAD+/NADH ratio is a key readout.
Common Research Uses
- Sirtuin (SIRT1-7) pathway and aging cell research
- Mitochondrial function, OCR, and ATP production assays
- Cellular senescence and replicative aging culture models
- DNA repair (PARP) and genome stability pathway research
- NAD+/NADH ratio and redox balance measurements
What the Science Is Looking At
- Foundational coenzyme in virtually all metabolism and energy research
- NAD+ availability directly controls sirtuin enzymes that regulate hundreds of aging-related genes
- Restoring NAD+ levels in cell cultures is linked to improved mitochondrial function markers
- Essential substrate for PARP enzymes that detect and respond to DNA damage
- Widely used in longevity, senescence, and metabolic stress research programs
How It Works - In Plain English
Energy Production
Acts as an electron shuttle in glycolysis, the citric acid cycle, and oxidative phosphorylation - the core steps that convert nutrients into ATP. Without adequate NAD+, these pathways slow down in culture.
Sirtuin Switch
Sirtuins (SIRT1-7) consume NAD+ to remove acetyl groups from proteins, changing gene activity. This links NAD+ levels directly to stress response, metabolism, and aging-related gene programs in cells.
Mitochondrial Balance
The NAD+/NADH ratio helps set how efficiently mitochondria run. Researchers track this ratio in aging cells, metabolic stress cultures, and Seahorse metabolic assays.
DNA Repair (PARP)
When DNA breaks, PARP enzymes use NAD+ to tag damaged sites and recruit repair machinery. NAD+ depletion from heavy PARP activity is a well-studied phenomenon in oxidative stress cultures.
Product Specifications
| Compound | NAD+ (nicotinamide adenine dinucleotide) |
|---|---|
| Quantity | 1000 mg per vial |
| Form | Lyophilized powder |
| Purity | 99%+ (HPLC) |
| Storage | -20 C; protect from moisture |
Order NAD+
99%+ Purity • Third-Party Tested • COA Included • Ships Canada 1-2 Days
Multi-vial deal: 2+ vials of this peptide = $10 off per vial!