
Lactose - Wikipedia
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.
Lactose intolerance - Symptoms & causes - Mayo Clinic
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 …
Lactose: Uses, Health Benefits, and Lactose Intolerance
Oct 18, 2024 · 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 …
What Is Lactose? - Cleveland Clinic Health Essentials
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.
5 Foods High in Lactose to Avoid - WebMD
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.
Lactose | Milk Sugar, Digestion & Nutrition | Britannica
Nov 10, 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 …
What Is Lactose? - IFIC
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 …
Definition & Facts for Lactose Intolerance - NIDDK
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.
Understanding Lactose: Comprehensive Guide to Its Roles
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 …
Lactose Intolerance: Symptoms, Diagnostic Tests & Treatment
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 …