Algae & Seaweed · Other

Haematococcus Pluvialis (Astaxanthin Source)

Provisional Strong 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

Haematococcus pluvialis is a microalgae that produces astaxanthin, a powerful carotenoid antioxidant with protective effects against oxidative stress. Astaxanthin neutralizes free radicals and stabilizes cell membranes, particularly benefiting skin health and cellular protection.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryAlgae & Seaweed

GroupOther

Public Score StatusProvisional Strong

Primary Keywordhaematococcus pluvialis benefits

Haematococcus Pluvialis (Astaxanthin Source) — botanical close-up

Reported Benefits (Provisional)

Haematococcus Pluvialis is a rich source of astaxanthin, one of the most potent antioxidants known, which protects cells from oxidative damage. It reduces oxidative stress by up to 50%, preserving cellular integrity. - It supports skin health by reducing signs of aging and improving skin elasticity. Astaxanthin enhances moisture retention and reduces wrinkles. - This algae boosts immune function by modulating immune responses, helping the body fight off infections more effectively. It increases the activity of natural killer cells. - Haematococcus Pluvialis enhances cardiovascular health by improving blood lipid profiles and reducing inflammation. It lowers triglycerides by up to 25%. - It promotes joint health by reducing inflammation and pain associated with arthritis. Astaxanthin inhibits inflammatory pathways, providing relief. - This algae supports eye health by protecting the retina from oxidative damage, reducing the risk of cataracts and macular degeneration. It enhances visual acuity and reduces eye fatigue. - Haematococcus Pluvialis may improve endurance and recovery in athletes by reducing muscle damage and inflammation. It enhances mitochondrial function, boosting energy levels.

Origin & History

Haematococcus Pluvialis (Astaxanthin Source) — origin

Natural habitat

Haematococcus Pluvialis is a microalga known for its high astaxanthin content. It is cultivated in freshwater environments and harvested for its red pigment, which is extracted through solvent extraction methods.

“Haematococcus Pluvialis has been used in the cosmetic and health industries for its high astaxanthin content, valued for its skin and eye health benefits.”Traditional Medicine

Research Narrative (Provisional)

Haematococcus Pluvialis has been studied in vitro, in animal models, and in human trials for its antioxidant and skin health benefits. Emerging evidence supports its potential health benefits.

Preparation & Dosage

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

Nutritional Profile

- Rich in astaxanthin, a potent antioxidant. - Contains essential fatty acids and carotenoids. - Provides vitamins and minerals essential for overall health.

Reported Mechanism (Provisional)

Mechanism of Action

Astaxanthin from Haematococcus pluvialis works by donating electrons to neutralize reactive oxygen species (ROS) and singlet oxygen. It integrates into cell membrane lipid bilayers, providing structural stability and preventing lipid peroxidation. The compound also modulates inflammatory pathways by inhibiting NF-κB activation and reducing pro-inflammatory cytokine production.

Clinical Narrative (Provisional)

Human studies have demonstrated astaxanthin's antioxidant effects, with trials showing up to 50% reduction in oxidative stress markers. Skin health studies involving 30-65 participants have reported improvements in elasticity and wrinkle depth after 6-12 weeks of supplementation. Most clinical research uses 4-12mg daily doses of astaxanthin extract. While promising, larger randomized controlled trials are needed to establish definitive therapeutic benefits.

Also Known As

Haematococcus pluvialisRed microalgaAstaxanthin algaeBlood rain algaeH. pluvialisRainbow algaeFlotow's green algae

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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.

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