Dairy products can provide a source of protein, calcium. They provide as well vitamin B (A and D, as well in smaller quantities). It depends on the dairy product for the vitamins
But protein and calcium are probably the 2 main sources
Dairy product are milk products, or products produced from or containing the milk of mammals, primarily cattle, water buffaloes, goats, sheep, ..The major components of milk are water, fat, protein, carbohydrate (lactose), and minerals (ash).
Dairy products can provide a source of: calcium and protein. However, they provide the body also with Vitamins A and D.
