It is not recommended to drink milk on an empty stomach in the morning, because milk is discharged into the intestine before it is fully digested and absorbed in the stomach, leading to the loss of nutrients. It is recommended to eat before drinking milk.

Extended data:

Milk is one of the oldest natural drinks, known as "white blood", and its importance to human body can be imagined. As the name implies, milk is expressed from a cow. In different countries, milk has different grades.

Milk is rich in minerals, calcium, phosphorus, iron, zinc, copper, manganese and molybdenum. The most rare thing is that milk is the best source of calcium for human body, and the ratio of calcium to phosphorus is very suitable, which is beneficial to the absorption of calcium. There are at least 100 complex species, and the main components are water, fat, phospholipids, protein, lactose and inorganic salts.

References:

Milk-Baidu Encyclopedia