Fucoidan normal type

Origin of Low Molecular Fucoidan

Sea fucoidan sea fucoidan

Since 1997

Long-seller product that has been loved by everyone

Our standard model of the product, "SEA FUCOIDAN Normal Type" which has been loved by everyone as a pioneer of low molecular Fucoidan product since SEA FUCOIDAN was born in 1997. We have repeated minor change to improve the quality of our products since then. It is still a product that everyone loves as a representative of low molecular Fucoidan product!

Click here to check History of SEA FUCOIDAN! >

Our Unique Low-Molecular Technology

The difference between SEA FUCOIDAN and other fucoidans is the unique low molecular technology. Currently you might often hear of a low molecule. SEA FUCOIDAN is a long-standing low molecular product as a pioneer among them.

We have adopted a unique low molecular technology to realize a systemic absorption close to 100%.

Advanced Low-Molecular Technology

Fucoidan is originally said to be a high molecular polysaccharide. It is difficult to absorb it in the body. However, by using our own ultra low molecular technology, we have realized nearly 100% absorption in the body and maintain the function of Fucoidan even if it is very small molecule.

Stable Sulfate Groups Bond

We believe that more than 13% of sulfate group bond is necessary for Fucoidan to exert physiological function. ​ ​ ​ ​
We have brought about sulfate group formed stably even if it is a low molecule.

Minimize Molecular Weight. Maximize the Function of Fucoidan.

The Key to Demonstrate the Power of Fucoidan is the Sulfate Group.​ ​

We have challenged and succeeded molecular weight to the utmost limit,​ ​500 or less.

Stable Binding Rate is​ ​over 13%​ ​

In order to drink our products without anxiety...

a food preservative is not used at all.

Raw material

Low Molecular Weight Fucoidan is Made from Tongan Mozuku.

Kingdom of Tonga, Southern Paradise

Okinawa Mozuku, Mekabu, and kelp are often used as a raw material of Fucoidan, but we use Tongan Mozuku which is grown in the rich ocean. Tongan Mozuku has high Fucoidan contain, and it's reliable and safe.

More Details

Added More Useful Components.

SEA FUCOIDAN DX has been evolved.

Comparison with SEA FUCOIDAN DX


Low Molecular Seaweed Extract

Sea Fucoidan Normal Type


900 ml × 2

You can choose from sweetened type or sugar-free type.

[Raw materials]

【Sugar-free type】
Brown algae(Mozuku), Vitamin C, Citric acid, Vitamin B1, Nicotinic-acid amide, Vitamin B6, Vitamin B2
【Sweetened type】
Brown algae(Mozuku), Honey, Vitamin C, Citric acid, Vitamin B1, Nicotinic-acid amide, Vitamin B6, Vitamin B2

[Nutrition Facts per 100 g]

【Sugar-free type】

Energy 5kcal, Protein 0.1g, Lipid 0.1g, Total carbohydrate 1.7g(Sugar 0.5g Dietary fiber 1.2g), Natrium 70mg(Amount equivalent to salt 0.178g), Vitamin C 200mg, Vitamin B1 4.0mg, Vitamin B6 1.3mg

【Sweetened type】

Energy 16kcal, Protein 0.1g, Lipid 0.1g, Total carbohydrate 4.4g(Sugar 3.4g Dietary fiber 1.0g), Natrium 65mg(Amount equivalent to salt 0.165g), Vitamin C 200mg, Vitamin B1 4.0mg, Vitamin B6 1.3mg

[How to take]
Take 30 ml 2-4 times a day before meals or on an empty stomach.

Choose products you would like to purchase

Please select products.

If you have any questions about purchasing, please contact us by chat or call us at +81 120-21-5959.

Seafucoidan normal 900ml


Price: US$ 350

2 bottles​ ​​ ​with measuring cup

NET: 900 mL × 2 bottles

● Taste types can be chosen from naturally sweetened type(honey) or sugar-free type.

● For those who purchase for the first time, detailed materials will be bundled.

Seafucoidan normal 30 ml


Price: US$ 89

30ml × 10 bottles set

NET : 30 ml × 10 bottles

● Only the sweetened type is available.

● For those who purchase for the first time, detailed materials will be bundled.


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Contact Us

Please feel free to contact and consult us. ​ ​

+86 21-64560133
+81 50-32044759

1st floor 16-18 Chuo-cho, Kurume-city, Fukuoka prefecture 830-0023

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