1, about 30-60g.

2. Although blueberry is sweet and sour, it has a particularly high nutritional value when it tastes good. It is a very nutritious fruit, but you can't eat more. Generally, blueberries are about 30-60g a day, which is about 10-20. But the consumption of blueberries can be adjusted according to one's physical condition. If the gastrointestinal function is better and the absorption efficiency of the body is faster, then you can eat a little more, about 20, and vice versa, 10. 10-20 or so, blueberries will not be a burden to the body, but can be fully absorbed by the human body, making the nutritional value balanced.