Classified as a plankton micro-algae, it is a spiral-shaped cyanobacteria. Spirulina is one of the oldest known living microorganisms on our planet. Used for thousands of years because it is extremely rich in nutrients such as proteins, vitamins, minerals and chlorophyll, it has in its composition Phycocyanin, a powerful, very active pigment-protein complex, of high biological value with a beautiful intense blue color.