1-2 times.

Kelp is rich in iodine, 100 grams of fresh kelp contains 114 micrograms of iodine, which can satisfy the iodine needs of adults for 1 day. It can prevent iodine deficiency goiter and other diseases. It is usually recommended that it can be consumed 1-2 times a week, about 100 grams at a time.

Kelp is rich in potassium, calcium, unsaturated fatty acids, etc., can remove cholesterol on the walls of blood vessels, to promote gastrointestinal digestion, with lowering blood pressure, lowering lipids, prevention of tumors, anti-coagulant, antioxidant and other effects. Kelp is rich in dietary fiber and relatively low in calories, which is helpful for weight loss people.

Eat kelp notes

Don't eat kelp as a staple food: kelp is richer in nutrients, but can not be long-term kelp as a staple food, which will be too much iodine intake will also have an impact on the body's health. And kelp contains a certain amount of arsenic, excessive intake of arsenic can cause poisoning. Therefore, before eating kelp, should be rinsed with water first, so that arsenic dissolves in water.

Don't drink tea and eat fruit immediately after eating kelp: kelp should be avoided after eating the wrong diet, don't drink tea immediately after eating kelp (tea contains tannic acid), and don't eat sour fruit immediately (sour fruit contains phytic acid). Because kelp is rich in iron, the above two foods will hinder the absorption of iron in the body, affecting health, so avoid.