KOS Organic Spirulina Powder is a pure, non-irradiated blue-green algae superfood. It is rich in protein, vitamins, antioxidants, and fiber. This superfood powder is packed with essential amino acids, calcium, vitamin B, iron, potassium, magnesium, and niacin. It boosts energy levels, promotes digestion, and supports the immune system. The powder is processed in the USA in a GMP & NSF certified facility and is lab-tested for purity, potency, and quality.