Blue spirulina phycocyanin bulk​ is an extract of spirulina, a type of blue-green algae. It is a natural blue pigment that is obtained through the process of aqueous extract after purification. It is also a powerful antioxidant and anti-inflammatory agent. Phycocyanin is widely used in the food, cosmetic, and pharmaceutical industries.

Phycocyanin is one of the rare pigment proteins in nature. It is not only bright in color, but also a nutrient-rich protein with complete amino acid composition and high content of essential amino acids.
Phycocyanin has the functions of anti-virus, promoting blood cell regeneration, maintaining ovary, and promoting the synthesis of elastin in the human body. At the beginning of the 21st century, in Europe, America, Japan and other countries, phycocyanin was widely used as a high-grade natural pigment for food and cosmetics, and was made into biochemical drugs.