Fucoidan

Marine Polysaccharide

Fucoidan names a family of fucose-rich sulfated polysaccharides from brown algae. Undaria, Cladosiphon, Saccharina, and other preparations are not chemically interchangeable and may act primarily through the gut.

Pharmacokinetic model

A route-level PK model for fucoidan is being prepared from published data. Dosing references, studies, and documented interactions are below; the app catalog is updated as models are validated.

Key facts

Category
Marine Polysaccharide
Suggested cadence
once daily

Research behind this entry

  1. Effects of Ingesting Fucoidan Derived from Cladosiphon okamuranus Tokida on Human NK Cells: A Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Pilot Study Tomori M, Nagamine T, Miyamoto T, Iha M · Marine Drugs, 2021 DOI

    Forty healthy adults received 3 g/day of a specific Okinawa-mozuku fucoidan beverage or placebo for 12 weeks. Selected NK-cell activity comparisons changed, but the pilot cannot establish clinical benefit or transfer to…

1 published study referenced in the app, each with a plain-language summary.