Why is Natrel Fine-Filtered Milk’s shelf life so long? Do you add preservatives to increase its shelf life?

Natrel Fine-Filtered milk does not contain any preservatives. We use a series of pasteurization and filtration methods to make Natrel Fine-Filtered Milk’s shelf life longer. Unless you purchase Natrel Calcium and Natrel Omega-3, only vitamins A and D are added to the milk.