Medically reviewed by Elizabeth Barnes, RDN Chlorella powder is a vibrant, green algae "superfood" popping up in supplements ...

Its name — which is somewhat unfortunate — is Chlorella vulgaris and its backstory — which is also unappetizing — is that it’s a freshwater algae that’s used to clean up wastewater.

Spirulina and chlorella are types of microalgae, which are a large group of mostly aquatic microorganisms. Both of these microalgae are rich in nutrients such as protein, vitamins, minerals ...

How pond scum could become the hero of our eating habits on Earth and feed astronauts on missions to Mars. “People have been eating blue-green algae for a very long time. Several hundred years ...