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.

“People have been eating blue-green algae for a very long time. Several hundred years ago people in South America scooped spirulina out of ponds to supplement their diet.” At Yeotown Kitchen ...

It also grows a type of bacteria called Arthospira, also known as blue-green algae, as it shares similar properties with microalgae. When dried out it is known as spirulina and is used as a ...