Spirulina

Spirulina is a cyanobacterium very rich in nutrients that is an excellent dietary supplement.
It contains proteins, minerals, antioxidants, vitamins. Spirulina is also known as a  superfood. 

In order to feel the beneficial effects of spirulina it is necessary to consume at least one month at a rate of 4/5g per day, or a teaspoon. Can be used daily or in periods.