Juice-too much stomach acid in the morning, so it is not advisable to drink juice. You can drink it after lunch.

Coffee-not suitable for excessive drinking. First, hot air is not conducive to defecation. Second, too much caffeine will affect sleep. I suggest drinking it once in a while.

You can choose milk tea and soybean milk.

It is recommended to drink fresh soybean milk or fresh milk for breakfast. After all, packaged drinks have additives.