Its main function is to promote defecation, regulate postprandial blood sugar and lipid metabolism.

Dietary fiber is also called the seventh nutrient, that is, the seventh nutrient besides the six nutrients that are often said, because it has very important physiological functions:

1, intestinal health, dietary fiber can promote intestinal peristalsis in vivo, so that food can quickly pass through the intestine to promote defecation;

2. Fermentation of dietary fiber in vivo can promote the growth of probiotics in intestine and maintain the normal function of intestinal barrier;

3. Dietary fiber can regulate body weight by increasing satiety;

4, blood sugar regulation, dietary fiber can delay the absorption of carbohydrates in the body and play a role in regulating postprandial blood sugar;

5. Dietary fiber can regulate lipid metabolism, that is, the metabolism of fatty substances;

6, can prevent intestinal diseases, such as colorectal cancer;

7. Affect the absorption of minerals. Some soluble fiber can promote the absorption of calcium iron ore, but some insoluble dietary fiber will affect the absorption of calcium iron ore.