Buy Frigo Cheese Heads String Cheese (1 oz. pkg, 48 ct.) on frogcitycheese.com ✓ FREE SHIPPING on qualified orders. Personalized health review for Frigo Cheese Heads String Cheese: 80 calories, nutrition grade (B), problematic ingredients, and more. Learn the good & bad for. Frigo® Cheese Heads® String Cheese is America's Favorite. Creamy & delicious , stringy & fun and only 80 calories with 6 grams of protein. It's the perfect snack.