Usually it will have an effect, but if it is for diabetics who take insulin, the effect of losing weight is basically invisible, which may be that insulin itself has the effect of promoting obesity. In addition, hardworking aunts have gained weight for decades, and the effect is limited. Let's just say that if you don't cut down on running, swimming and apples, it won't be obvious to use this. For people who gain weight after bad exercise, it is still good to insist on 1 hour for 40 minutes every day and have a rest in the middle. In addition, the appetite will not increase than before, and some people who eat a lot will decrease. So you can eat normally.