Last updated: 2026-04-17 – Rewritten from the 2018 original with verified USDA nutrition data, a part-skim vs whole milk comparison, and a fresh mozzarella section. Quick Answer: Yes, mozzarella is one of the healthier cheeses when eaten in reasonable amounts. One ounce delivers about 7 grams of protein, 150 milligrams of calcium, and 85 calories, with roughly half the sodium…