Kepok banana peel (Musa balbisiana Colla) is known to contain flavonoid secondary metabolites which have antidiabetic effects. The purpose of this research was to determine the effectiveness of reducing blood glucose levels in the ethanol fraction of Kepok banana peel. This study was divided into 6 groups, namely the normal group (0.5% Na-CMC suspension), positive control (Metformin 9mg/200g), …