Include boiled dehydrated beans, figs, grapes, popcorn, oats, pears and drupes.
Personally, I think celery and bananas have the best effect. Of course, everyone's physical condition is different. My aunt said that apple leek works well. Anyway, they are all crude fibers, and the effect should be similar.
Be sure to drink a large glass of warm water or honey water when you get up every morning. As long as you persist, it is very effective.
If you consider exercise, sit-ups are a good choice, because they can reduce the fat in the intestine, accelerate the peristalsis of the intestine and reduce the fat around the waist ~ ~