AFA is being discussed here:
http://www.freie-bildung.ch/wp-content/uploads/2012/04/Klamath-B12-study.pdf
And, their conclusion:
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Re: B12 in Aphanizomenon Flos Aquae (AFA)
AFA is being discussed here:
http://www.freie-bildung.ch/wp-content/uploads/2012/04/Klamath-B12-study.pdf
And, their conclusion:
Inactive B12 in Aphanizomenon flos-aquae (2006)
Purification and characterization of a corrinoid-compound in an edible cyanobacterium Aphanizomenon flos-aquae as a nutritional supplementary food. (Dec 2006)
PMID: 17147452
Re: B12 in Aphanizomenon Flos Aquae (AFA)
Here's an update from PubMed, mars 2009 re. AFA-B12, a Klamath algae product:
Effect of a Klamath algae product ("AFA-B12") on blood levels of vitamin B12 and homocysteine in vegan subjects: a pilot...
B12 in Aphanizomenon Flos Aquae (AFA)
From http://www.algae-world.com/algae40.html :
"Gram for gram, AFA is one of the most nutrient-dense foods on the planet, a close second only to spirulina. Generally speaking their nutrient...