It is important to protect algae against external influences such as heavy metals, toxins and pesticides. In our closed glass system, we offer you controlled conditions. Raw food quality thanks to gentle drying. Free from additives and well tolerated. Ideal for daily consumption. Spirulina contains high amounts of vitamin K1 to maintain normal bones and normal blood clotting, as well as high levels of vitamin A to maintain normal vision and normal immune system function. Spirulina is an iron source, iron helps to reduce fatigue and to normal formation of red blood cells and hemoglobin.