Fermented product from winged bean juice has probiotic bacteria that can inhibit pathogens and had not been studied in in vivo. The objectivs of this research was to study the influences of fermented product from winged bean juice compared to aquadest and commercial fermented product. The preliminary research was made and analyzed the fermented product from winged bean juice and commercial fermented product. The main research was to determine the effect of the fermented product and compared to aquadest and commercial. The result showed that fermented product from winged bean juice contained 1,5 x 109 CFU/ml of lactic acid bacteria. Fermented products from winged bean juice can inhibit growth of pathogen, such as Staphylococcus and improve the absorption of nutrients.