The NAD Kinase (NADK) Activity Assay Kit is primarily used to measure the enzymatic activity of NADK in various biological samples. This kit is essential in research focused on cellular metabolism, particularly in studying the conversion of NAD+ to NADP+, a critical process in redox reactions and biosynthetic pathways. It is widely applied in cancer research, as NADK activity is often dysregulated in tumor cells, impacting their metabolic behavior. Additionally, the kit is utilized in studies of oxidative stress and aging, where NADPH levels play a protective role. It is also valuable in drug discovery, enabling the screening of compounds that modulate NADK activity for therapeutic purposes. The assay is straightforward, making it suitable for high-throughput analysis in both academic and industrial settings.