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Spirulina
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Spirulina

cyanobacteria
Also known as: Spirulina
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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Spirulina, Any cyanobacteria in the genus Spirulina. A traditional food source in parts of Africa and Mexico, spirulina is an exceptionally rich source of vitamins, minerals, and protein, and one of the few nonanimal sources of vitamin B12. It is now being widely studied for its possible antiviral, anticancer, antibacterial, and antiparasitic properties, and has been used for such medical conditions as allergies, ulcers, anemia, heavy-metal poisoning, and radiation poisoning. It is also used in weight-loss programs.

This article was most recently revised and updated by William L. Hosch.