Used in biomedical research to measure levels of glutathione peroxidase enzyme in human samples, this kit helps assess antioxidant activity and oxidative stress in cells and tissues. It is commonly applied in studies related to inflammation, aging, neurodegenerative diseases, cardiovascular disorders, and liver function. Researchers use it to evaluate how diseases or treatments affect cellular defense systems against reactive oxygen species. The assay provides a quantitative measurement, making it valuable for clinical labs and experimental studies aiming to understand redox balance in human health and disease.