In fact, there is no specific standard. The juice squeezed from those fruits and vegetables that have beauty and lose weight will have the effect of beauty and lose weight, such as apples and lemons. I have to recommend grapefruit and celery, which have just lost weight. They are a kind of food with negative calories. Oh, you can squeeze it.
Special note: Watermelon and banana are best not to be eaten. They contain sugar and starch respectively.
It is recommended to eat less.