What is spirulina made of?

Answer:
Spirulina is the common name of a blue-green algae. Spirulina as found in retail is a dry powder form of spirulina (Arthrospira platensis / Arthrospira maxima).
First answer by Heliotrope. Last edit by Gujo. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].