Milk is a dairy product derived from the mammary gland of mammals. Milk is used worldwide as food for humans. It is also converted into dairy products like cheese, butter, curd, cream etc.
Modern industries use milk to produce casein, lactose, whey protein, powdered milk, condensed milk and other industrial products. People who are lactose intolerant use soy or almond milk.Lactose is a disaccharide sugar that is found in milk.