Prebiotic refers to a specialized plant fiber that positively nurtures the good bacteria that are present already in the colon of large bowel. Prebiotics occur naturally in foods such as asparagus, garlic, leeks, chicory, Jerusalem artichokes, onions, oats, wheat and soybeans. The global prebiotic ingredients market is expected to have a CAGR of about 10.4% during the forecast period 2019-2026. Prebiotic influences GALT) gut associated lymphoid tissue positively. FOS, mannooligosaccharides and arabinogalactans are therapeutic nutritional content in prebiotics which helps in influencing GALT. These ingredients lead to optimum gut function and also favors the obstruction of the pathogenic organism’s growth and also proliferate the normal bacterial ﬂora.