1, prevention and treatment of thyroid dysfunction: Kelp contains a lot of iodine, and every1000g of kelp contains about 5g of iodine. Iodine is the main component of human thyroxine. If the human body lacks iodine for a long time, it will destroy the function of thyroid gland, which will lead to thyroid diseases.

2, prevention and treatment of hypertension and arteriosclerosis: if the human body is short of iodine, the weakening of thyroid secretion will make carbohydrate fat oxidation insufficient, forming cholesterol and fat in the body, leading to obesity or arteriosclerosis.

3, prevention and treatment of cancer: kelp is rich in calcium, calcium can prevent blood acidification and help prevent cancer. The sodium alginate contained in kelp has strong binding ability with strontium and cadmium with carcinogenic effect, and excretes them; Kelp can selectively kill or inhibit bacteria that can produce carcinogens in the intestine, and the fiber contained can also promote the discharge of bile acids and cholesterol; Kelp extract has a direct inhibitory effect on various cancer cells.

4, prevent constipation and promote defecation: kelp contains soluble dietary fiber alginate, which can absorb water and soften defecation, thus promoting defecation. Kelp contains a lot of unsaturated fatty acids and dietary fiber, which can quickly remove excess cholesterol from the wall of blood vessels and help gastric juice to secrete and achieve the purpose of digestion, which is of great help to gastrointestinal peristalsis.

5. Increase blood and prevent blood coagulation: Kelp is rich in iron and vitamin B 12, both of which are important substances for hematopoiesis. It also contains a substance that can reduce blood viscosity, so it can not only enrich blood but also prevent blood coagulation.

6, weight loss and slimming: kelp is rich in potassium, and potassium has the effect of balancing excessive sodium intake. When the intake of potassium ions is sufficient, sodium ions will not retain excess water. Therefore, potassium ion can help the metabolism of excess water in the body, eliminate edema and improve the modification curve of floating meat. Algae contain these minerals and are helpful to the body.

7. Beauty: Kelp juice can be used in beauty beauty. Bathing in the soup made of kelp can moisturize the skin and make it fresh, smooth, bright and beautiful.

8, anti-aging: kelp is rich in selenium, which can effectively remove free radicals, and free radicals are the chief culprit of human aging, so kelp can delay the role of aging.

9, hair care: kelp is extremely rich in iodine, which is the main raw material for the synthesis of thyroxine in the body, and the luster of hair is formed by the role of thyroxine in the body.

10, anti-radiation: kelp polysaccharide, an extract of kelp, has anti-radiation effect by inhibiting immune cell apoptosis.

1 1, calcium supplement: Kelp is rich in calcium, which can prevent calcium deficiency in human body.

12, diuresis, detumescence: A layer of white powder-mannitol is often attached to kelp, which is a valuable medicinal substance. Mannitol has the functions of lowering blood pressure, diuresis and detumescence.

13, improve immunity: kelp can improve the body's humoral immunity and promote the body's cellular immunity.

The disadvantages of eating kelp

1, kelp is cold, and people with spleen and stomach deficiency are forbidden to eat. Do not eat excessively. People with spleen and stomach deficiency and cold should eat less. Kelp is too much to digest. It is easy to cause bloating.

2. Kelp contains a certain amount of arsenic, and excessive intake of arsenic can cause acid poisoning. Therefore, before eating kelp, we should rinse it with water to make arsenic dissolve in water, soak it for 24 hours and change the water frequently, so that the arsenic content in kelp can meet the food hygiene standards.

3, because kelp contains more iodine, it can also induce goiter, and it can be eaten with tofu, so that saponin in tofu can be excreted a little more, which can make iodine in the body in a balanced state.

4. Patients with hyperthyroidism should not eat kelp. Pregnant women and nursing mothers should not eat too much kelp, because iodine in kelp can enter the fetus (infant) with blood circulation, causing thyroid dysfunction in the fetus (infant).

5. Don't drink tea immediately after eating kelp (tea contains tannic acid), and don't eat sour fruit immediately (sour fruit contains vegetable acid). Because kelp is rich in iron, the above two foods will hinder the absorption of iron in the body.

6. Pregnant women and nursing mothers should not eat more kelp. This is because iodine in kelp can enter the fetus and baby with blood circulation, causing thyroid dysfunction.

7. Don't eat kelp as a staple food: you can't use kelp as a staple food for a long time, which will affect your health if you consume too much iodine. Moreover, kelp contains a certain amount of arsenic, and excessive intake of arsenic can cause poisoning. Therefore, before eating kelp, it should be rinsed with water to dissolve arsenic in water. Kelp is rich in iodine, but people who lack iodine are prone to goiter. Eating kelp too much can also cause goiter. It is not good to treat goiter simply by eating kelp.