Kelp is known for its "longevity dishes", "sea vegetables" and "iodine-containing champions". From the perspective of nutritional value, it is a kind of health care and longevity food.
Kelp has a high nutritional value and is rich in protein, fat, carbohydrate, dietary fiber, calcium, phosphorus, iron, carotene, vitamin B1, vitamin B2, niacin and iodine.