Spirulina is a cyanobacterium that can be consumed by humans and other animals; there are two species, Arthrospira platensis and Arthrospira maxima.
Arthrospira is cultivated worldwide; used as a dietary supplement as well as a whole food; and is also available in tablet, flake and powder form. It is also used as a feed supplement in the aquaculture, aquarium and poultry industries.[1]