FASN and breast cancer: Available FASN inhibitors, however, are unstable and have been correlated with adverse side effects.<h4>Objective</h4>This present study aims to investigate the potential of <i>Andrographis paniculata</i> ethanolic crude extract (AP) as a potent FASN inhibitor in breast cancer cells.<h4>Materials & methods</h4>This study used MTT assay and flow cytometry analysis to measure cell viability and apoptosis following AP treatment (0-500 μg/mL).