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 that kelp can combine with radioactive element strontium to form insoluble matter and excrete it, which can prevent leukemia. Because it is rich in iodine, it can improve goiter, reduce the cholesterol content in blood, contain high calcium, and 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, and a small amount of it can also produce satiety. At the same time, because it contains no 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, which can benefit water and lose weight, and can play a role in beauty and weight loss. I hope my answer can help you!