The N-acetyl-β-D-glucosidase (NAG) Activity Assay Kit is widely used in biomedical research and clinical diagnostics to measure NAG enzyme activity, which serves as a biomarker for various conditions. It is particularly valuable in assessing kidney function, as elevated NAG levels in urine often indicate renal tubular damage or dysfunction. This kit is also employed in studies related to lysosomal storage disorders, where NAG activity is critical for understanding disease mechanisms. Additionally, it finds applications in environmental and food science to evaluate enzyme activity in samples, aiding in quality control and safety assessments. The kit provides a reliable, sensitive, and straightforward method for quantifying NAG activity, making it a essential tool in both research and diagnostic settings.