The compound in the food that helps in the growth and activity of the microorganisms in the human and help in better health. These foods induce the activity and growth of the beneficial microbes in humans. In general, all prebiotic are fibers where as not all fibers are prebiotic. is highlighted as the key prebiotics and helps in the several beneficial effects and strengthens the . They were first identified and named as a functional food component by Marcel Roberfroid in 1995.