Spirulina is a microscopic blue green alga. It is considered to be the most concentrated plant food in existence. It is 60-70% complete protein, providing all the essential amino acids and is 95% digestible. Spirulina is a natural whole food that can help maintain a balanced diet. ? No binders or fillers ? No preservatives ? No additives ? 100% pure natural Nature Complete Spirulina was the first that the Soil Association ever certified. Organic produce is simply healthier, richer in nutrients and tastes so much better. Going organic is the safest way to avoid eating genetically modified (GM) food.