Galacto-oligosaccharides (GOS) are non-digestible carbohydrates produced from lactose, the sugar naturally found in milk. They are considered dietary fibers and prebiotics. GOS increases Gut Bacteria and Health • Promotes growth of intestinal bifidobacteria • Helps with stool frequency and consistency • Enhances immunity • Increase calcium absorption This product has a GOS content of 57%. The rest are other sugars.