1, leek. Leek contains a lot of cellulose and crude fiber, which can promote gastrointestinal peristalsis and treat constipation with very low calories.

2, cucumber, cucumber calories are very low, cucumber contains a lot of vitamins and cellulose, which can help eliminate constipation and accelerate fat burning.

3. tomatoes. Tomatoes contain dietary fiber to promote gastrointestinal peristalsis, which is beneficial to detoxification and slimming.

4, water spinach, water spinach is very low in calories, and rich in pectin, which can accelerate the decomposition and discharge of toxic substances in the body.