Seaweed Superfood of 2021 as it is packed with nutrition and antioxidants and has the unique ability to absorb concentrated amounts of iodine from the ocean which the body cannot produce itself. Iodine is a vital trace mineral essential for healthy thyroid functions and early childhood development. It is also rich in protein, vitamins, fibre, low in calorie and fat, and an excellent source of micronutrients including folate, calcium, magnesium, zinc, iron and selenium. The health benefits of such a nutrient-rich food are thought to contribute to immunity, cardiovascular function and overall life expectancy. In fact, the Japanese, whose standout dietary habit includes their regular consumption of seaweed, which also has one of the highest life expectancies in the world.