Grains are high in cellulose and difficult to digest. Eating them can make people feel bloated, help people relax, and make people excrete toxins and oils, thus achieving the effect of losing weight. Choosing suitable coarse grains can reduce insulin secretion, heat production and fat formation, which is the key to weight control. Natural coarse cereals are rich in dietary fiber needed for slimming, which can help digestion, consume fat, detoxify and make people lose weight healthily.