Seanol® — marine polyphenol
Most antioxidants come from land. Seanol® comes from the sea.
A marine polyphenol from Ecklonia cava, backed by 150+ published studies.†
The polymolecule
Seanol®. Measured.
Seanol® · marine polyphenol extract from Ecklonia cava · standardized to dieckol (C₃₆H₂₂O₁₈)
Seanol® is a marine polyphenol extract from Ecklonia cava, a brown algae from low-light subtidal water off South Korea. Every batch is standardized to dieckol, the phlorotannin we measure, so the ingredient stays consistent batch to batch. Research spans 150+ published studies, including 7 human clinical trials.†
The ecosystem
Every product contains the same extract.
The research
The evidence.
7 human clinical trials†
Seanol® marine polyphenols are among the most-studied seaweed extracts — 7 published human clinical trials† within a body of 150+ studies spanning endurance, blood lipids, postprandial glucose, metabolomics and respiratory health.
150+ publications†
Peer-reviewed research on Seanol® — a structurally unique class of dual-soluble polyphenols.
Notified & compliant
FDA & EFSA notified. MFDS recognized. Every claim on this page is backed by the cited research — no more, no less.
From the Korean coast
Ecklonia cava, harvested in the waters off South Korea — where cold currents push the seaweed to concentrate polyphenols.
Light returns
Your depth is waiting.
Find the Seanol® product that matches your goal — skin, hair, eyes, joints, cognition, or the ones you love.
Shop all Seanol®† Clinical studies and peer-reviewed publications cited on this page refer to the Seanol® ingredient — an Ecklonia cava marine polyphenol extract — not to any individual product.