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Botanical

Blue-green algae

Blue-green algae are cyanobacteria that grow in water. One supplement ingredient is Aphanizomenon flos-aquae (AFA) from Upper Klamath Lake in Oregon.

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What is worth checking on the label?

Other cyanobacteria can contaminate AFA harvests with microcystins. FDA describes batch-specific testing and certificates of analysis; smell, taste and appearance cannot reveal these toxins. 1

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