Avitech Avilina Spirulina 4 Oz Avitech Avilina Spirulina uses a special strain of Spirulina Platensis developed to maximize production of carotenoids, including four forms of Beta Carotene, known to be potent immune system boosters and sources of Vitamin A. Spirulina is also a rich source of B vitamins and minerals as well as essential amino acids. Avilina Spirulina is pure Grade AAA, certified free of heavy metal contamination or pesticides.