Lactose is a disaccharide composed of galactose and glucose, which form a β-1→4 glycosidic linkage. Its systematic name is β- D -galactopyranosyl- (1→4)- D -glucose.

Sep 22, 2025 · Lactose intolerance is a condition that makes it hard to digest the sugar in milk and milk products, called lactose. People with lactose intolerance often have diarrhea, gas and …

Dec 26, 2025 · Lactose is white and odorless, and you may sometimes see or hear it referred to as "milk sugar." Lactose is only found in milk from mammals, so plant-based milk products like …

Oct 29, 2024 · Lactose is a natural, complex sugar produced in all mammalian milk that’s difficult to breakdown unless you have lactase, a protein, in your small bowel.

Learn about lactose intolerance, a condition in which you have symptoms—such as bloating, diarrhea, and gas—after you consume foods or drinks that have lactose.

Lactose is usually found in products containing milk or milk solids. However, the amount of lactose in different foods varies. Below are some general amounts of lactose in different kinds of dairy …

Feb 22, 2024 · Lactose is the sugar that’s in milk. Our bodies use an enzyme called lactase to break down that sugar so we can absorb it into our bodies. But people with lactose intolerance …