Of course, you may eat a small bag of 25 grams and 95 calories at a time, which is equivalent to a medium-sized apple (2 10 gram, edible 160 gram). Although grains are rich in starch, they are also rich in fiber. If eaten properly, it can reduce fatty liver, relieve constipation and lose weight without adding sugar. Therefore, if you only drink one or two small bags at night, you won't get fat.
Generally, women need 1800-2000 calories a day, while men need 2200-2500 calories. If you need to lose weight, you only need about 800- 1200 calories a day. As for the calorie of food, it will be listed in different categories on major weight loss websites, and you will know it at a glance.