Eating too much nori soup may lead to excessive iodine intake.

The iodine content in nori is relatively high, and for iodine-deficient areas, eating some nori on a regular basis can play a role in supplementing iodine. For areas that are not iodine-deficient, eating large amounts of nori at once, or eating too much seaweed on a regular basis can increase the likelihood of excessive iodine intake.

The Chinese Academy of Nutrition suggests that the recommended daily intake of iodine is 120 micrograms, and the maximum tolerable intake is 600 micrograms. 100 grams of seaweed contains 4,323 micrograms of iodine, which is the recommended amount of 2 to 3 grams per day. Nori is a food that possesses a seafood flavor, and its common practice is to make soup. Although nori is tasty and highly nutritious, it should not be eaten often and in moderation.

Expanded Information:

Benefits of Eating Seaweed:

Seaweed is a kind of red algae seaweed, mainly used as a nutrient-rich, flavorful soup ingredients. Nori has always been regarded as one of the precious sea food, edible and medicinal value is very high, so there is a "longevity dish" of the name. The seaweed is rich in vitamins and minerals, especially vitamin B12, B1, A, C, E and so on.

It contains about the same protein and soybeans, 6 times as much as rice, vitamin A is about 67 times as much as milk, riboflavin is 9 times more than mushrooms, and vitamin C is 70 times as much as cabbage. It also contains choline, carrot, thiamine and many other nutrients. Purple cabbage can prevent human aging, it contains a large number of can reduce harmful cholesterol taurine, is conducive to the protection of the liver.

Reference:

People's Daily Online - How to Eat More Safely Seaweed should not be consumed in excess

Reference:

People's Daily Online - Elderly people eat seaweed has many benefits 8 kinds of food and seaweed with the best