Blue-green algae Naturally occurring amino acids, fatty acids, vitamins & minerals Suitable for vegetarians & vegans Spirulina is a well-known type of blue/green algae that can be found in the world's oceans and lakes. Spirulina contains plant enzymes. Enzymes are protein molecules that are an integral part of many systems within the body. Because of its popularity as a completely natural food source, Spirulina is harvested for commercial use around the world. Blue-green algae Naturally occurring amino acids, fatty acids, vitamins & minerals Suitable for vegetarians & vegans Spirulina is a well-known type of blue/green algae that can be found in the world's oceans and lakes. Spirulina contains plant enzymes. Enzymes are protein molecules that are an integral part of many systems within the body. Because of its popularity as a completely natural food source, Spirulina is harvested for commercial use around the world.