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 …

Begin with a lactose-free diet, then gradually reintroduce lactose-containing foods to see how your system responds. Some people with lactose intolerance can tolerate up to 12 grams (g) of …

Sep 28, 2025 · Lactose intolerance causes uncomfortable digestive symptoms when you consume dairy products. You can avoid or limit lactose to prevent flares.

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.

Dec 16, 2025 · Lactose, carbohydrate containing one molecule of glucose and one of galactose linked together. Composing about 2 to 8 percent of the milk of all mammals, lactose is …