"Source Naturals' blue-green algae is wildcrafted and harvested in the prime upper regions of upper klamath lake, oregon, and is of the highest quality available. It's name comes from the two color pigments it contains: phycocyanin, which is blue, and chlorophyll, which is green, the short-chain, low molecular weight proteins yielded from this remarkable algae are easily reduced and assimilated in the body's digestive process. Blue-green algae also contains significant levels of vitamins, minerals and rich pigment nutrients that are hard to maintain adequate levels with a vegetarian diet."