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Aphanizomenon Flos-Aquae Powder
Aphanizomenon Flos-Aquae Powder
Moderate concern
Wild-harvested AFA can be contaminated with cyanobacterial toxins (microcystins, anatoxin-a, BMAA). Health Canada and Oregon DHS have issued advisories requiring testing for microcystin contamination.
Found in
6 products
What it is
Dried powder of the freshwater cyanobacterium Aphanizomenon flos-aquae (AFA), commonly harvested from Klamath Lake.
Marketed as a 'superfood' supplement and protein source.
Why it's flagged
- cyanotoxin contamination (microcystins, anatoxins)
- BMAA exposure
- no DRI established
What regulators actually say
"Oregon adopted regulatory limits requiring AFA blue-green algae products to contain less than 1 microgram per gram of microcystin."
Regulatory status
United States — FDA
Not formally evaluated; marketed as a dietary supplement under DSHEA.
European Union — EFSA
Sold as a food supplement; subject to general food safety law.
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