All of the minerals required by human beings, including calcium, sodium, magnesium, potassium, iodine, iron, and zinc are present in sufficient amounts. In addition, there are many trace elements in seaweeds.
They also contain vitamin A (in the form of beta-carotene), B1, B2, B6, niacin, vitamin C, pantothenic acid, and folic acid. Analysis has shown trace amounts of vitamin B12, which rarely occurs in land vegetables. Sea vegetables have been shown to cleanse the body of toxic pollutants. Seaweed feeds the shafts and the ducts of the scalp to help improve the health of the hair.
So enjoy this nutritionally packed food on the planet.