What is what does dairy means?

Dairy refers to products that are made from the milk of mammals, such as cows, goats, and sheep. The most common dairy products include milk, cheese, yogurt, cream, and butter. These products are rich in calcium, protein, vitamins, and minerals, which make them an important part of a healthy diet. However, some people are allergic or intolerant to dairy products and should avoid them. There are also non-dairy alternatives available for those who choose not to consume dairy.