Cow's milk is a natural source of protein and calcium, which are important for children's development. It also contains vitamin A, which helps the body fight infections and is needed for healthy skin and eyes. However, children with a cow's milk allergy - otherwise known as a cow's milk protein allergy - can't tolerate dairy products such as milk, yoghurts or cheese.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/cows-milk-allergy-what-alternative-milks-can-babies-have