Widely utilized in infant formula and nutritional supplements to mimic the complex oligosaccharides found in human breast milk. It plays a crucial role in supporting gut health by promoting the growth of beneficial bacteria, enhancing the immune system, and protecting against harmful pathogens. It is used in scientific research to study carbohydrate-protein interactions, particularly in cell biology and immunology. Additionally, it is employed in the development of drugs and vaccines related to carbohydrate molecule recognition in the body. Further research explores its potential therapeutic effects on gastrointestinal disorders and its role in improving overall digestive health. Its application extends to functional foods aimed at improving gut microbiota balance and overall well-being.