American Health Klamath Shores Blue/Green Algae grows naturally in the deep waters of Klamath Lake in Southern Oregon. It is one of only a few wildcrafted supplements available for consumption. This extraordinary algae features many phytonutrients, as well as chlorophyll, carotenoids, polyunsaturated fatty acids and the blue-green pigment called phycocyanin, which has been researched for its antioxidant and immune system support properties.