Fushi Organic Spirulina Capsules contains biodynamically farmed spirulina - an algae that’s been part of our planet’s ecosystem for more than 3 billion years. It was a source of nourishment for many civilizations. It contains potassium, calcium, magnesium, zinc, selenium, phosphorus and iron. In addition to these beneficial minerals, spirulina provides the B vitamin complex and vitamins A and E. It is very rich in protein and contains 26 times the calcium found in milk. The capsules are made from vegetables.