Hello: The function of kelp is: 1. Improve goiter, 2. Prevention of cancer, 3. Strengthen bones and teeth, 4. Prevention of leukemia, 5. Protect the cardiovascular system. The function of kelp is: kelp can combine with radioactive element strontium and excrete into insoluble matter, which can prevent leukemia, because it is rich in iodine, which can improve goiter and reduce cholesterol in blood. It can strengthen bones and teeth. Sulfated polysaccharide in kelp can inhibit blood concentration, prevent thrombosis and reduce blood viscosity. Kelp is low in calories and contains a lot of dietary fiber, which can also cause satiety. Suitable for people who are losing weight. At the same time, because it does not contain sugar, it is also a food that diabetics can use to satisfy their hunger. In addition, it also contains selenium, which can prevent cancer and enhance human immune function. Kelp is high in fiber and low in fat.