What is the Phycocyanin? Phycocyanin is extracted from blue-green algea (spirulina). It is a natural blue colorant for food, and in itself is a nutritious protein, amino acid composition range, high content of essential amino acids. It can improve immunity, keep full vitality, resist radiation, strengthen metabolism, discharge toxin,etc. Product Details Product Name: Phycocyanin ( Spirulina ...