Each daily dose contains 177% NRV of Vitamin B12 - contributes to normal energy-yielding metabolism and function of the immune systemEach daily dose contains 77% NRV of Vitamin A - contributes to the maintenance of normal skin and visionAll organic, natural ingredients, made using only the finest grade herbs Spirulina is a blue-green freshwater algae and is one of the most nutritionally dense foods in the world. It is a natural source of protein and vitamins, with it being especially high in vitamin B12 and vitamin A. Harvested from the pure waters of India and Taiwan, Pukka's high quality organic fresh water Spirulina helps your body to cope with the toxins from our polluted environment. Take every day to help naturally support and strengthen the body.