Phycocyanin (PC) ndeye yakasikwa mvura-inonyungudika yebhuruu pigment ndeyemhuri ye phycobiliproteins. Inotorwa kubva kune microalgae, Spirulina. Phycocyanin inozivikanwa neayo akasarudzika antioxidant, anti-kuzvimba, uye immune-inosimudzira zvivakwa.