Like human milk, cow’s milk contains more than 80% water, with the rest as fats, protein, carbohydrates (lactose), vitamins and minerals. So, it is a complete package of nutrients. Whole cow’s milk, like human milk, also contains living factors that help with stimulating the immune system.
The protein in milk classified into two main groups – whey and casein. Casein is the part of milk that becomes thicker, when it is milk is made into cheese. Casein helps with the absorption of calcium and phosphorus.
Whey protein is more soluble and contains a variety of factors including lactoferrin. It is also easier to digest in tiny tummies. Both casein and whey contain a full profile of essential amino acids.