Parmesan cheese, or its formal name Parmigiano ... fiber that zips through your digestive system without breaking down. You might see cellulose appear as cellulose gum, carboxymethyl cellulose ...

Several purveyors of grated Parmesan cheese are in hot ... that some cheeses advertised as "100% cheese" in fact contain high amounts of cellulose, an FDA approved filler made from wood pulp ...