The machine that shakes the stomach is harmful to the internal organs.
It will definitely have an impact. The vibration frequency of this machine is constant. For you, it is passive exercise, which may achieve the purpose of losing weight. However, it is harmful to let your internal organs vibrate at the same frequency for a long time. For example, when you run, you will run fast or slow, and the vibration frequency of your internal organs is different all the time.