It contains a good balance of ingredients that are difficult to obtain from milk alone. It has a long shelf life and a long expiration date, making it convenient to use. In addition to lactoferrin, bifidobacteria, and Shield Lactic Acid Bacteria, you can efficiently obtain nutrients that tend to be deficient, such as calcium and iron. Because it's a powder, it's lighter than milk and can be stored at room temperature for a long period of time.