Aphanizomenon flos-aquae Blue-Green Algae

Are AFA Supplements Toxic?

Aphanizomenon flos-aquae, or AFA for short, is a dietary microalgae supplement currently sourced primarily from Upper Klamath Lake, located in the western U.S. state of Oregon. Sometimes referred to generically as “blue-green algae”, it is an edible microalgae species known for its iridescent powders and deeply layered blue-green, indigo and violet pigmentation when mixed into water. Here on this page, we present information according to our personal investigation into Upper Klamath Lake derived AFA and its potential cyanotoxin content. We hope our gathered findings may be of value to you if you are either a current blue-green algae consumer or are considering dietary supplementation.

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