Fat. Regular halloumi cheese has 7.5 g of total fat per 1 oz. serving. This corresponds to 12 percent of the daily value based on a 2,000 calorie diet. It also contains 4.5 g of unhealthy saturated fat.Halloumi cheese usually has about 25 percent milk fat. The reduced-fat version has 40 percent less fat and contains 15 percent milk fat. An ounce of light halloumi cheese provides only 4.5 g of total fat.heese is usually high in sodium. An ounce of halloumi cheese has 330 mg of sodium. A high-sodium diet contributes to high blood pressure, and the Institute of Medicine recommends all men and women consume no more than 2,300 milligrams of sodium a day.