It can absorb water, increase fecal volume, improve intestinal flora, ferment intestinal bacteria to produce lower fatty acids, and stimulate intestinal peristalsis, all of which are beneficial to defecation. In addition, it has the effects of lowering blood sugar, blood pressure, blood fat and weight. It is worth noting that raw konjac is toxic and must be boiled for more than 3 hours before eating. It is not advisable to eat too much at one time.