NAD+ functions as an oxidized redox cofactor and as a substrate for enzymes including sirtuins, PARPs, and CD38-family proteins. Laboratory kinetics examine substrate turnover, cofactor dependence, inhibition, and product formation using purified enzymes or defined extracts.

Representative product imagery. Verify the physical label and lot documentation on receipt.
NAD+
NAD+ supplied in a versatile 500 mg research size. Each unit is labeled with a traceable lot code and links to its corresponding analytical report.
What researchers study
NAD+ is a biochemical reference material used in enzyme, redox, and cellular metabolism assays.
Cellular-aging research examines biochemical pathways, redox state, enzyme activity, sequence stability, and measurable markers in controlled laboratory systems.
Changes in laboratory markers do not establish lifespan extension, disease prevention, or a therapeutic effect. Conclusions must remain within the design and limits of the reported experiment.
Redox assays distinguish NAD+ from NADH and evaluate how extraction, oxygen, pH, light, and temperature alter measured ratios. Rapid quenching and appropriate standards are necessary because the two forms can interconvert or degrade during handling.
Quantification commonly uses LC-MS, enzymatic cycling, absorbance, or fluorescence methods with matrix-matched calibration. Measurements describe the sampled system and do not imply anti-aging, energy, or therapeutic effects.
Know what your laboratory receives.
Batch records are published for transparency and should be independently reviewed by qualified research personnel.
- Tamper-evident packaging
- Lot and SKU traceability
- Independent analytical review


