Spirulina is a type of blue-green algae that some people take as a dietary supplement. Potential benefits include positive effects on eye health, blood pressure, and cholesterol levels. Spirulina is ...

Spirulina is blue-green algae that’s packed with vitamins, minerals, antioxidants, and protein. It has a long history as a superfood. First eaten by the ancient Aztecs for its nutrition, spirulina was ...