The iodine content in laver is relatively high. For iodine-deficient areas, eating laver often can supplement iodine. For areas where iodine is not deficient, eating a large amount of laver at one time or eating too much laver often will increase the possibility of excessive iodine intake.

China Nutrition Society suggested that the recommended daily intake of iodine is 120 micrograms, and the maximum tolerable intake is 600 micrograms. 100 gram of laver contains 4323 micrograms of iodine, and the recommended amount is 2~3 grams per day.

Extended data

Nutritional value of laver;

Porphyra has high nutritional value and contains many essential nutrients for human body. Its protein content is more than 9 times that of fresh shiitake mushrooms, and protein is 26.2g per 100g of laver.

It is also rich in vitamins A, B, B, C and trace elements such as iodine, calcium and iron.

Its fat content is also 8 times higher than kelp, 2 times higher than dried Tricholoma, 1 times higher than auricularia auricula and 10 times higher than riboflavin of Lentinus edodes.

It has rich nutrition and high iodine content, and can be used to treat goiter caused by iodine deficiency. Porphyra has the function of softening and resolving hard mass, and is also useful for other stagnant masses.

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