| Specification | Detail |
| IUPAC/Synonyms | Fucoidin, Fucoidan Sulfate Ester, Fucan |
| CAS Number | 9072-19-9 |
| Appearance | Light yellow to yellowish-brown powder |
| Source Materials | Laminaria japonica, Undaria pinnatifida, Macrocystis pyrifera, etc. |
| Formula | (C6H10O7S)n |
Fucoidan (also known as Fucoidin, Fucoidan Sulfate Ester, or Fucan) is a group of sulfated polysaccharides naturally found in the cell walls of brown seaweeds. Its primary active component is α-L-Fucose-4-sulfate.
Our Fucoidan is a sulfated polysaccharide complex extracted from brown seaweeds It is widely used in premium immune-support, gut-health and anti-aging formulations.
Typical Benefits
Over 2,000 published studies and growing human clinical evidence support Fucoidan as a high-value marine functional ingredient.
Primary Research-Backed Benefits:
- Immune modulation – activates NK cells, macrophages and supports antibody production
- Prebiotic & gut health – promotes beneficial bacteria (Bifidobacterium, Lactobacillus) and SCFA production
- Anti-inflammatory activity via selective inhibition of pro-inflammatory cytokines
- Antiviral properties (including against enveloped viruses)
- Supports healthy blood sugar and lipid metabolism
- Antioxidant and cellular protection effects
- Emerging oncology-support and anti-angiogenic research
Different molecular weights and sulfate contents allow targeted formulation (high-MW for gut, low-MW for systemic absorption).
Typical Application
| Target Market | Product Formats | Key Mechanism & Value Proposition |
| Immune Health | Capsules, Immunity Shots, Gummies | Supports and enhances the body’s immune response and mechanism against external stressors. |
| Cardiovascular Health | Tablets, Functional Beverages | Aids in blood viscosity, cholesterol management, and maintenance of healthy circulation. |
| Gut & Digestive Health | Powders, Stick Packs, Synbiotic Blends | Acts as a prebiotic, promoting a balanced gut environment and improving mucosal integrity. |
| Dermatology / Cosmeceuticals |
Topical Serums, Oral Supplements | Excellent water retention and antioxidant properties for anti-aging and skin repair formulations. |
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