What kind of salt does Haihua iodized refined salt belong to?

Seaweed iodized salt belongs to sea salt and is made by adding a certain proportion of potassium iodate or potassium iodide to salt. Iodine is an important raw material for the synthesis of essential thyroid hormone, which affects the production, development and metabolism of the body, and the brain is its first target organ. Iodine deficiency in embryos and infants will lead to mental retardation of different degrees in patients' life.