In dieting to lose weight, eat one day a week normally, because if you go on a diet, you can defecate once without defecating for a week, but ...
Personally, I think it still has some influence. On the one hand, I have been dieting in the early stage and my body is hungry. Suddenly there is more heat, and my body will naturally convert it into heat and store it. If you are afraid of constipation, eat more foods with high fiber but low calories, such as pure oats and boiled vegetables, and occasionally drink light honey water and yogurt bananas.