GW1929 is primarily used in research settings to study its effects on peroxisome proliferator-activated receptors (PPARs), particularly PPARγ. It is known for its role in activating PPARγ, which is involved in the regulation of genes associated with metabolism, inflammation, and cell differentiation. Researchers utilize GW1929 to investigate its potential in treating metabolic disorders such as diabetes, as it can enhance insulin sensitivity and improve glucose metabolism. Additionally, it is employed in studies exploring its anti-inflammatory properties and its impact on lipid metabolism. GW1929 serves as a valuable tool in understanding the molecular mechanisms of PPARγ activation and its implications in various physiological and pathological processes.