Kelp is an excellent source of iodine, potassium, magnesium, iron, and calcium .
Laminarin is a specific type of kelp in the brown algae family rich in nutrients
(iodine, potassium, magnesium, calcium, and iron). It also blocks tumor growth
and spreading .
Another type of seaweed — Gracilaria changii — is rich in fiber content and
essential amino acids (the building blocks of proteins) .
