The effect of this product is really good Light health is not a single dietary fiber, but a water-soluble and insoluble product. Solubility: When it meets water in the intestine, it will form a gel substance to wrap the oil. Insolubility: the first function of the human body is to promote gastrointestinal peristalsis, accelerate the passage of food through the gastrointestinal tract, reduce absorption, defecation, and dredge the intestines, and the skin will naturally get better.