Milk mixed with leek contains more oxalic acid, which will affect the absorption of calcium.

Milk and juice can't be eaten together.

More than 80% of protein in milk is casein. For example, under acidic conditions, casein is easy to agglutinate, which easily leads to indigestion and diarrhea. Therefore, it is recommended not to eat fruit immediately after eating milk or dairy products.

3. oranges and milk can't be eaten together.

Oranges should not be eaten before and after drinking milk 1 hour. Because once protein in milk meets the fruit acid in orange, it will solidify, which will affect the digestion and absorption of milk, and it is not suitable for eating other acidic fruits during this time.

4. It is best not to eat eggs and milk together, which will affect the absorption of protein.