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.

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.

Sep 22, 2025 · People with lactose intolerance often have diarrhea, gas and bloating after eating or drinking foods containing lactose. The condition is usually harmless, but its symptoms can cause …

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 almond milk …

Sep 15, 2024 · Lactose is a sugar naturally found in dairy products like milk, butter, yogurt, and more. Learn which 5 foods to avoid for lactose intolerance.

May 6, 2024 · Lactose is sometimes referred to as “milk sugar” because it is only found naturally in the milk of mammals—including cows, goats and humans. Milk from cows and goats is used to make …

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 sometimes called …

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-Controlled Food Lists ... pg. 1 of 2 DCH 3041217 1/12 ... Note: Milk and dairy foods are primary sources of calcium, a mineral that is important to good health. When your child avoids milk and dairy …

Lactose, commonly known as milk sugar, is a disaccharide composed of two simple sugars: glucose and galactose. Found predominantly in dairy products, it plays a significant role in nutrition, particularly …