Is Kraft Cheese Slices Gluten Free - CheeseProClub.com According to the USDA, cream cheese must containing at least 33% milk fat, have a moisture content of not more than 55%, and a pH between 4.4 and 4.9.As with so many food that are naturally gluten-free, unless wheat or gluten ingredients are added during or after processing, cream cheese is gluten-free and safe for people with celiac disease.