The store admits:
(1) Five-grain flour is used for drinking, and it is best to brew it with 100 boiling water. However, it is forbidden to stir immediately after rushing into boiling water. It is best to stir after 2 minutes.
(2) Whole grain flour is used to lose weight. As upstairs said, whole grains are low in calories, and digestion requires more calories, so they won't get fat. Usually drink it in the morning or evening, and one cup a day is enough. The meat necessary for dinner is indispensable.
(3) The body is the capital of the revolution. It's okay to be fat. As long as you are in good health and not sick, everything will be fine. Don't be too demanding! I hope I can help you.