Dairy milk is a liquid produced by the mammary glands of cows, goats, and sheep. It is a rich source of essential nutrients, including calcium, protein, and vitamins like B12 and D. Dairy milk is commonly consumed as a beverage and is also used in various products such as cheese, yogurt, and butter. There are different types of dairy milk, including whole, skim, and low-fat, which vary in fat content. Many people enjoy dairy milk for its creamy texture and taste, while others may choose alternatives like almond milk or soy milk due to dietary restrictions or preferences.