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Crystal Manna, commonly known as Klamath Lake Algae, (AFA) is a nutritional food supplement which is harvested each summer from Upper Klamath Lake in Klamath Falls, Oregon and consists almost exclusively of the filamentous blue-green algal species Aphanizomenon flos-aquae (AFA). AFA is a nutrient dense food rich in vitamins, minerals, essential amino acids, and proteins. The nutritional benefits of Klamath Lake Algae mostly reported are increased energy levels, heightened mental clarity, improved memory and recall, relief of inflammatory conditions and an overall feeling of well-being.

AFA Algae from Upper Klamath Lake is absolutely non-toxic. However, like many other agricultural products, Klamath Lake Algae may contain naturally occurring compounds, microorganisms or by-products of human activity that need to be monitored and controlled. Each batch1 (lot) of Klamath Lake Algae is subjected to a battery of scientific tests to ensure that the algae consistently meets the highest standards of safety and purity. As a result of these tests, Klamath Lake Algae is one of the purest and safest foods available.

(1 A batch is defined as the algae harvest from one full day (24 hours).)

Aphanizomenon flos-aquae in Upper Klamath Lake

To appreciate AFA Algae, one first should consider the unique ecosystem in which the algae “blooms.” Upper Klamath Lake, which covers approximately 125 square miles,

has the greatest surface area of any natural water body in Oregon (Gearheart et al. 1995).

Numerous springs charged with water filtered through miles of nutrient-rich volcanic soils on the flanks of the Cascade mountains (Gearheart et al. 1995), and six major tributaries, contribute 90% of the annual inflow to the lake (1,527,600 mean acre-feet (1929-1993); Gearheart et al. 1995). Overall, Upper Klamath Lake is described as a very productive eutrophic lake that is marked by high levels of available nutrients and plant life. It is this wealth of nutrients that allows AFA algae to grow in such abundance in the wild. Upper Klamath Lake is one of only a few ecosystems which supports the recurrent growth of AFA in such abundance.

Historically, Upper Klamath Lake was a highly productive (eutrophic) and diverse ecosystem due to a naturally high inflow of nutrients (Gearheart et al. 1995). Though the term eutrophic is often associated with adverse water quality conditions, in reality, a body of water may be ecologically “healthy” and eutrophic. In their 1967 report, Miller and Tash described a nutrient-rich sediment layer many feet deep in Upper Klamath Lake. They reported that the principal nutrients in Upper Klamath Lake were supplied through natural geological processes in quantities sufficient to maintain dense algal blooms, however they did not include nutrient loading which resulted from either local or upper watershed non-point sources (mostly poor forestry and agricultural land management; Gearheart et al. 1995). Current information indicates that human activities have increased nutrient loading to the lake over historical background levels (Bortleson and Fretwell 1993; Gearheart et al. 1995). However, much of the current debate centers on the effect of additional nutrients on an already productive environment. Both internal and external nutrient loading can influence nutrient concentrations in the lake (Bortleson and Fretwell 1993) and probably the composition of the planktonic community, however the paucity of long-term scientific data makes it difficult to determine actual causes. Kaffka et al.

(1995) remarked that phosphorous concentrations in available studies were above levels that many limnologists think are limiting to algal growth, and concluded that anthropogenic (human) influences in the Bbasin were of little consequence compared to natural enrichment processes. However, during periods of intense algal blooms in Upper Klamath Lake, dissolved phosphorus concentrations are reduced to levels which are known to be limiting (Gearheart et al. 1995). Other biologists (Gearheart et al. 1995; Bortleson and Fretwell 1993; Kann and Smith 1993; Miller and Tash 1967) have documented increases in productivity and algal growth over the past century. Bortleson and Fretwell (1993) noted that these increases in productivity were detrimental to fish populations and that such productive systems have the potential to increase the magnitude of algal blooms, furthering the detriments to fish. To counteract these potential changes, most Klamath Basin biologists have expressed support for efforts to restore natural conditions through wetland restoration and initiation of appropriate land management practices in the watershed.



Crystal Manna™ is the foundational health product in the Ancient Sun® line. It is the whole food form of the wild species of blue-green algae known as (Aphanizomenon flos-aquae) or AFA for short. It contains the broadest nutrient spectrum and most nutrient dense profile of any food on Earth. It has the greatest range of health benefits of any known food supplement. Thus it forms the basis of any intelligent health maintenance program. Crystal Manna™ is available in flakes, capsules and tablets.

Blue Manna™ is a highly concentrated extract made from the water-soluble portion of Crystal Manna. Blue Manna does not contain the entire spectrum of nutrients found in Crystal Manna. However it does contain a significant range of the nutrients found in Crystal Manna. The most important compounds found in Crystal Manna and Blue Manna, from a benefits analysis point of view, is Phycocyanin (for joints) and Phenylethylamine (PEA- brain/nervous system). BM contains an average of 4-5 times the quantity of PEA and Phycocyanin found in the Crystal Manna.

Blue Manna™ is not a substitute for taking Crystal Manna™, but when used in combination the effectiveness of both is multiplied. If your aim is to build and strengthen your overall health, then we suggest starting with Crystal Manna once or twice daily, in capsules, tablets or powder. For those seeking optimal support, especially with joint and brain function, we recommend adding BLue Manna capsules or powder to your Crystal Manna regime.