Prebiotics are the compounds having long fibers structure which are generally stable at normal environmental condition and are used hydrolyzed easily. Now a day, they are highly used with probiotic food as a supplement to probiotic strains. Not only this, studies have shown that prebiotics also protects microorganisms against acidic and gastrointestinal conditions

Keywords : Prebiotic; Probiotic Viability; Yogurt; Gastrointestinal Condition.