Identification. Because it is made from milk, mozzarella cheese is a dairy product that provides important nutrients in a healthy diet. According to the World’s Healthiest Foods website, 1 ounce of mozzarella made with part skim milk contains 72 calories and 4.5 grams of fat.ther Benefits. Eating mozzarella cheese offers other health benefits in addition to the vitamins and minerals it provides. Mozzarella cheese is a good source of protein, which is important for energy and muscle maintenance.