Mozzarella cheese is a good source of protein and calcium, but it is also calorie-dense and high in saturated fat, which can increase your risk of cardiovascular disease, type 2 diabetes, arthritis, and memory loss, not to mention impede your weight-loss efforts. Choosing reduced-fat ("part-skim") or fat-free mozzarella cheese is a great way to take advantage of its nutritional benefits while minimizing unhealthy extras. The calcium in mozzarella cheese helps maintain healthy blood pressure. (Note: Since most cheeses are high in sodium, people with high blood pressure should eat only moderate amounts, choose low-sodium brands, and factor the sodium content into their daily totals.) If you get migraine headaches, it’s important to know that aged cheeses like mozzarella are a common trigger (although mozzarella cheese is aged for less time than most aged cheeses and may be better tolerated). IBS sufferers take note: Some people with IBS are sensitive to dairy and experience discomfort after eating it.