Milk and eggs
Milk and eggs are not only rich in calcium, but also contain very high-quality protein. Milk is the best source of calcium for human body, and the ratio of calcium to phosphorus is also very suitable, which is very beneficial to the absorption of calcium by intestine.
Shrimp skin, seafood
Shrimp skin, seafood, etc. It is also rich in protein and minerals, especially calcium, which can not only supplement calcium, but also improve children's appetite.