Drinking this juice has the symptoms of rapid heartbeat, which may be due to the addition of ingredients that accelerate human metabolism. For example, thyroid hormone is one of them, and this hormone is added to many diet pills. After drinking this medicine, people will have symptoms similar to those of hyperthyroidism patients, such as insomnia, palpitation, increased heart rate, tension, anxiety and irritability. So diet pills are unhealthy. Their principle is simple. They basically make people have diarrhea or increase metabolic rate (both unhealthy methods). It is easy to rebound. It is best not to eat it often. I want to stay in good shape all my life, and I can't take diet pills all my life.