Isoflavone contents especially genistein, daidzein, and glycetin in soybean have been known as antidiabetic agents. Fermentation process in soybean can decrease 65% phytat acid amount and initiate the formation of aglycone isoflavone which can increase mineral bioavailability. The aim of this research is to analyze soybean and tempeh (soybean fermentation product) administration effect to the d…