Algae & Seaweed · Other

Aphanizomenon Flos-Aquae (AFA / Blue-Green Algae)

Provisional Moderate Scorebotanical

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Aphanizomenon Flos-Aquae (AFA) is a blue-green algae containing phenylethanolamine and phenylethylamine compounds that enhance dopamine activity in the brain. This nutrient-dense cyanobacteria supports cognitive function and immune system health through its concentration of vitamins, minerals, and bioactive compounds.

—

Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryAlgae & Seaweed

GroupOther

Public Score StatusProvisional Moderate

Primary KeywordAFA blue green algae benefits

Aphanizomenon Flos-Aquae (AFA / Blue-Green Algae) — botanical close-up

Reported Benefits (Provisional)

Aphanizomenon Flos-Aquae (AFA) enhances mental clarity and focus by supporting neurotransmitter activity in the brain. It boosts dopamine levels, improving concentration and alertness. - This blue-green algae supports immune function with its rich nutrient profile, enhancing the body's defense mechanisms. It increases the production of natural killer cells. - AFA promotes mood stability by modulating serotonin levels, potentially reducing symptoms of anxiety and depression. It enhances emotional well-being and stress resilience. - It supports cardiovascular health by reducing inflammation and improving blood lipid profiles. AFA lowers LDL cholesterol, reducing the risk of heart disease. - This algae aids in detoxification by binding to heavy metals and facilitating their removal from the body. It enhances liver detoxification pathways, promoting overall health. - AFA supports joint health by reducing inflammation and pain, beneficial for those with arthritis. It inhibits inflammatory cytokines, providing relief. - It may improve skin health by promoting collagen synthesis and enhancing skin elasticity. AFA's antioxidant properties protect against UV damage, reducing signs of aging.

Origin & History

Aphanizomenon Flos-Aquae (AFA / Blue-Green Algae) — origin

Natural habitat

Aphanizomenon Flos-Aquae (AFA) is a type of blue-green algae found in freshwater lakes, notably Klamath Lake in Oregon. It is harvested and dried to preserve its nutritional content, often sold in powdered or capsule form.

“AFA has been consumed for centuries by indigenous peoples for its health benefits. It gained popularity in the 20th century as a superfood.”Traditional Medicine

Research Narrative (Provisional)

Several observational studies suggest cognitive and immune benefits. More rigorous RCTs are needed to establish definitive health claims.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- High in phycocyanin, a powerful antioxidant. - Contains essential fatty acids. - Rich in vitamins B12, C, and E.

Reported Mechanism (Provisional)

Mechanism of Action

AFA contains phenylethylamine (PEA) and phenylethanolamine compounds that cross the blood-brain barrier and stimulate dopamine release in the brain's reward pathways. The algae's high concentration of B-vitamins, particularly B12 and folate, supports neurotransmitter synthesis and methylation processes. Its polysaccharides and phycocyanin compounds modulate immune cell activity by enhancing natural killer cell function and cytokine production.

Clinical Narrative (Provisional)

Limited human studies have examined AFA supplementation, with most research consisting of small pilot trials and observational studies. One study of 20 adults showed improved attention and mood scores after 6 weeks of 1.5g daily AFA supplementation. Animal studies demonstrate enhanced memory formation and immune marker improvements, but large-scale randomized controlled trials in humans are lacking. Current evidence is preliminary and requires more rigorous clinical validation.

Also Known As

Aphanizomenon flos-aquaeAFABlue-green algaeKlamath algaeWater bloomCyanobacteriaWild blue-green algaeFreshwater algae

Browse All Ingredients More Other About the Encyclopedia

These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

From the Hermetica Research Desk

Research updates — and 25% off your first order

Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.

Educational content only — not medical advice.