"Rich in calcium and vitamins , lactose-free" As Parmigiano Reggiano is produced with semi-skimmed milk, it has a lower fat content than many other cheeses. It is rich in essential amino-acids, rich in calcium, easy to assimilate and virtually no carbohydrates. Lactose disappears after a few hours while elaborating, therefore we can consistently affirm that Parmigiano Reggiano is lactose-free .