40 degrees.

1. It is not recommended to brew Mary Kay YiRijian dietary fiber solid beverage with freshly boiled water. Too high a temperature may destroy the activity of the product. Under normal circumstances, it is recommended to use cold boiled water at 40-60 degrees.

2. Dietary fiber powder can be brewed with warm or cold water, but it must not exceed 40 degrees, because too high a water temperature will cause the dietary fiber to agglomerate, which will not only affect the taste, but also Will affect efficacy.