Lactose-free Parmigiano Reggiano: what you need to know

Parmigiano Reggiano is naturally lactose-free because, during the early stages of production, lactic acid bacteria transform the lactose present in milk into lactic acid.

Lactose is the sugar naturally present in milk. In Parmigiano Reggiano, however, the production process and subsequent maturation transform it until it is no longer present in significant quantities in the finished product.

This means that the absence of lactose is not obtained by adding enzymes or by subjecting the cheese to a specific lactose-removal treatment. It is a natural consequence of the way Parmigiano Reggiano is made.

The statement “naturally lactose-free” means that lactose is not removed through a subsequent treatment, but disappears as a natural consequence of the production process.

In the case of Parmigiano Reggiano, this characteristic is linked to lactic fermentation and ageing. The product is made from milk, but milk sugar is transformed during processing.

This distinction is important because “lactose-free” and “naturally lactose-free” do not communicate exactly the same thing. A lactose-reduced product is treated to lower its lactose content; Parmigiano Reggiano, on the other hand, is naturally lactose-free as a result of its production process.

All Parmigiano Reggiano, from the minimum 12-month ageing period required by the PDO specification, is naturally lactose-free.

The question “after how many months does Parmigiano Reggiano become lactose-free?” is very common, but it can be misleading. It should not be assumed that lactose remains present until a specific commercial ageing period and then disappears only after many months. Lactose transformation takes place already in the early stages of the production process.

When Parmigiano Reggiano reaches the minimum ageing period of 12 months and can be marketed as PDO, it is naturally lactose-free.

Parmigiano Reggiano is generally considered suitable for people with lactose intolerance because it contains less than 1 mg of lactose per 100 g.

However, individual tolerance may vary. Some people with lactose intolerance can consume naturally lactose-free cheeses without problems, while others may have more specific sensitivities or particular digestive conditions.

For this reason, in case of diagnosed intolerance, recurring symptoms or a prescribed diet, it is always advisable to follow the guidance of your doctor, nutritionist or specialist.

Lactose intolerance and milk allergy are two different conditions.

Lactose intolerance concerns the difficulty of digesting lactose, the sugar found in milk. In this case, a naturally lactose-free food can be assessed according to personal tolerance.

Milk allergy, on the other hand, concerns milk proteins and involves the immune system. Parmigiano Reggiano is made with milk and contains milk proteins: for this reason, it is not suitable for people with an allergy to milk or milk proteins.

This distinction is essential. “Lactose-free” does not mean “milk-free” and does not mean “free from milk proteins”.

No. Parmigiano Reggiano is not a lactose-reduced product.

In lactose-reduced products, lactose is reduced through a specific treatment. In Parmigiano Reggiano, on the other hand, the absence of lactose is a natural consequence of processing and fermentation.

This is one of the aspects that makes Parmigiano Reggiano different from other dairy products. Although it is made from milk, it reaches consumers as a naturally lactose-free cheese.

Ageing is one of the elements that define the identity, flavour and structure of Parmigiano Reggiano. As the months pass, friability, aromatic intensity, flavour complexity and paste consistency change.

As far as lactose is concerned, however, the main characteristic is already linked to the production process. All Parmigiano Reggiano marketed as PDO, from the minimum ageing period of 12 months onwards, is naturally lactose-free.

This means that the choice between a 12-, 24-, 30-month or older Parmigiano Reggiano should not be based on the presence or absence of lactose, but on taste, use, consistency and product destination.

A younger ageing period may be more delicate; a longer ageing period tends to be more intense, granular and crumbly. The choice therefore depends on the occasion of consumption, the recipe or the desired format.

For the end consumer, the statement “naturally lactose-free” is useful information because it helps distinguish Parmigiano Reggiano from products that contain lactose or from lactose-reduced products.

For those who buy, sell or use Parmigiano Reggiano in a professional context, this information is also important for labels, technical sheets, informative materials and product communication.

At Boni, we produce Parmigiano Reggiano PDO and offer it in different formats: whole wheels, portions, freshly grated cheese, shavings, cubes and solutions designed for different sales and usage channels. Information on lactose, ingredients, storage and nutritional values is part of the technical documentation required for correct product management.

To learn more:

• Nutritional values of Parmigiano Reggiano
• Parmigiano Reggiano and cholesterol
• Parmigiano Reggiano ageing
• How Parmigiano Reggiano is made
• Parmigiano Reggiano PDO
• Freshly grated Parmigiano Reggiano
• Parmigiano Reggiano portions
• Parmigiano Reggiano shavings
• Parmigiano Reggiano cubes