It is rich in important nutrients such as zinc, iron, and magnesium.Protein Sources:cottage cheesecheesedairy yogurtegg substitutebeef, lambpork,poultryfish, shellfishdeli meat,Lactaid?? milkbuttermilk, skim or one percentmilk, soymilktofu and texturized vegetable proteinChew red meats thoroughly to avoid serious problems, such as stomach obstruction or regurgitation.2.