People eat everyday meat and many other foods are more acidic. According to Japanese information, the alkalinity of beef, chicken, egg yolk, etc. is -5, -10.9, -19.2, respectively, and even plant foods like peanuts and peas are acidic. If such foods are eaten every day, they will make the blood acidic. An imbalance between acid and alkali in the human body can cause disease, and in severe cases, acidosis can result from the blood becoming acidic. Kelp is not only rich in iodine, but also has the effect of lowering blood pressure because it contains an amino acid with a special structure. In addition, the fucoidan in kelp has the effect of treating arteriosclerosis, preventing the body from absorbing heavy metals such as lead and copper, and eliminating radioactive elements from the body. Fucoidan can prevent constipation and intestinal cancer because of its high water content and its ability to form gel-like substances in the intestines, which helps excretion. Accordingly, kelp has been hailed as a health and beauty food and the king of alkaline foods in Japan and abroad. Japanese scholars know that the alkalinity of kelp is +4.00, and if you eat an egg and a piece of kelp, it will help neutralize the acidity of the egg in the body and bring out the nutritional functions of the egg. You can also eat spinach, carrots and other alkaline foods without kelp. However, if you compare kelp and carrots, you will know that you need to eat 62.5 times more carrots than kelp to have the same effect. In other words, if you want to neutralize the acid in the body, you need to eat 1 gram of kelp is enough, if you use carrots to eat 62.5 grams. In addition, scientists have found that kelp is also a treasure trove of calcium and iron for human intake. Every 100 grams of kelp, containing calcium up to 1177 mg, containing iron up to 150 mg, it is really high. So kelp has an important role in the health care of children, women and the elderly. Kelp contains protein and carbohydrates is spinach several times to dozens of times. It also contains a lot of important vitamins such as carotene, riboflavin, thiamin, and niacin. Kelp in the fucoidan sodium salt, there is the prevention of leukemia and bone pain, arterial hemorrhagic disease also has the efficacy of hemostasis; kelp and kelp root extracts have antitussive and anticancer effect; kelp contains mannitol, for the treatment of acute renal failure, encephalitis, acute glaucoma, etc., all have therapeutic effect. All these, but also for the kelp won the "longevity dish" reputation.