Question: what is the difference between blue spirulina and green spirulina?
Answer: Phycocyanin is only found in spirulina and some other species of blue-green algae and is one of the key differences between spirulina and other green foods like chlorella, wheat grass and barley. ... While phycocyanin is a powerful antioxidant that provides many benefits, it's the singular nutrient found in blue spirulina.