Fruit · Other

Seaweed Grape

Provisional Strong ScoreCompound

Hermetica Superfood Encyclopedia

Published March 15, 2026Last updated March 15, 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

Caulerpa racemosa, commonly called seaweed grape, contains sulfated polysaccharides and mycosporine-like amino acids that upregulate antioxidant enzymes including superoxide dismutase, catalase, and glutathione peroxidases. These bioactive compounds inhibit NF-κB activation while promoting cellular defense pathways through Nrf2 upregulation and AMPK activation.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryFruit

GroupOther

Public Score StatusProvisional Strong

Primary Keywordseaweed grape benefits

Seaweed Grape — botanical close-up

Reported Benefits (Provisional)

Supports thyroid function by providing essential iodine, which regulates metabolism and energy balance.

Enhances cardiovascular health by improving circulation and regulating blood pressure through potassium, magnesium, and omega-3 fatty acids.

Strengthens immune defenses and reduces oxidative stress with potent antioxidants like chlorophyll, beta-carotene, and vitamin C.

Promotes digestive health by supporting gut motility and microbiome diversity through soluble fiber and polysaccharides.

Supports bone density, muscle function, and oxygen transport via its rich content of calcium, magnesium, and iron.

Reduces systemic inflammation and promotes skin vitality due to omega-3 fatty acids and a spectrum of antioxidants.

Origin & History

Natural habitat

Caulerpa lentillifera, commonly known as Seaweed Grape or Green Caviar, is an edible alga native to Southeast Asia and the Pacific Islands, particularly the Philippines, Vietnam, and Japan. It thrives in warm, shallow coastal waters. This nutrient-dense marine superfood is valued for its unique texture and profound functional nutrition benefits.

“Deeply woven into the culinary and healing traditions of Okinawa and the Pacific, Seaweed Grape symbolized vitality, longevity, and the bountiful strength of the ocean. It is valued in Okinawan cuisine as a symbol of long life and maritime resilience, bridging coastal tradition with contemporary holistic wellness.”Traditional Medicine

Research Narrative (Provisional)

Research indicates its potential in supporting thyroid health, cardiovascular function, and antioxidant defense, with studies exploring its metabolic and anti-inflammatory properties. Preliminary findings suggest benefits for gut health and overall systemic wellness.

Preparation & Dosage

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

Nutritional Profile

- Iodine: Essential for thyroid support and metabolic regulation. - Potassium, Magnesium, Calcium, Iron: Support cardiovascular health, muscle function, bone density, and oxygen transport. - Omega-3 Fatty Acids: Provide cardiovascular, cognitive, and anti-inflammatory benefits. - Chlorophyll, Beta-carotene, Vitamin C: Offer potent antioxidant protection and immune support. - Polysaccharides: Contribute to immune modulation and gut health. - Dietary Fiber: Aids digestive wellness and satiety.

Reported Mechanism (Provisional)

Mechanism of Action

Sulfated polysaccharides and phlorotannins in seaweed grape activate antioxidant enzyme systems by upregulating superoxide dismutase, catalase, and glutathione peroxidases, converting harmful superoxide radicals to water. Anti-inflammatory effects occur through NF-κB pathway inhibition, reducing TNF-α, IL-6, and COX-2 expression. Additional mechanisms include Nrf2 pathway activation for cellular protection and AMPK stimulation promoting autophagy and mitochondrial function.

Clinical Narrative (Provisional)

Current evidence for seaweed grape consists primarily of in vitro studies and plant defense research rather than human clinical trials. Plant studies using Rugulopteryx okamurae extract showed increased defense gene expression (PR10, PAL, STS48, GST1) at 24 hours post-application with elevated antioxidant enzyme activity. Preliminary research on related Caulerpa species demonstrates antioxidant and anti-inflammatory properties through enzyme assays, but quantified human outcomes are lacking. The evidence base remains limited to laboratory studies without controlled human trials providing specific therapeutic dosages or clinical endpoints.

Also Known As

Caulerpa racemosaSea grapesGreen caviarCaulerpa lentillifera

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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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