Galactosyl-lactose

Galβ1-4Glcβ1-1βGal

Galactosyl-lactose is a specific trisaccharide and a key component of Human Milk Oligosaccharides (HMOs). Its structure is a lactose molecule with an additional galactose unit attached. This compound is a non-digestible carbohydrate that acts as a prebiotic, supporting the growth of beneficial gut bacteria in infants and promoting the development of a healthy gut microbiome.