If you don't have the habit of fasting in the morning, it is not recommended that you exercise on an empty stomach, because fasting itself is in a state of hypoglycemia, and exercise is a very exhausting thing. Some people are prone to hypoglycemia, dizziness, nausea, loss of appetite and even syncope if they are in poor health.

Secondly, eating after exercise can also lead to gaining weight. Weight loss mainly depends on high metabolism. Although exercise has metabolism, it can also lead to a strong hunger relief and a better appetite. If you don't pay attention, you will eat more than usual, which is why some people get fatter the more they exercise, just because they eat more than usual.