A1 vs A2 milk: Which is actually better for digestion?

Milk is often seen as a single, uniform food. But scientists have found that not all cow’s milk is exactly the same. One key difference comes down to the type of protein it contains, and that difference may affect how some people feel after drinking it. Researchers have identified two main forms of a milk protein called beta-casein, which makes up about 30 percent of the protein in cow’s milk. These forms are known as A1 beta-casein and A2 beta-casein. Different breeds of cows produce milk with different types of this protein. But before we conclude which type of milk of is good for your gut, let us look at what the two type of milk even mean: Milk protein is mainly made up of casein, which accounts for about 80 percent of the total protein in milk. Beta-casein is one of several t