What's A2 Cheese? A2 Cheese is made with A2 Milk. and has a different protein make up. Some people and some studies, have shown that it helps with digestion, as well as helps some people who have irritation in their stomach after consuming normal A1 products such as milk and cheese. Some people are not lactose intolerant, yet do have discomfort or gas from normal products. A2 helps those people that have this issue.