Fucoidan Health Benefits

The name fucoidan refers to a group of highly bioactive compounds found in brown seaweeds.

Many experts now believe that fucoidan is one of the key nutrients responsible for the exceptionally long and healthy lives enjoyed by the residents of Okinawa, Japan.

The health benefits of fucoidan extract reveal a phenomenal variety of actions, ranging from helping the body recover from minor illnesses to protecting the body from major diseases.  We explore 8 of these powerful fucoidan benefits in more detail below:


A healthy immune system is vital for good health as it helps to protect our bodies from invading viruses and bacteria. Unfortunately, modern life can dampen our immune function through chemicals, stress, lack of sleep and unhealthy food. Regular and recurrent infections are a sign that your immune system may not be working as it should.

Luckily, you can enhance and support your immune system to enable it to build resistance to infections and pathogens. Published research papers have shown that fucoidan may help do this with its special immune modulating properties.

Immune modulating substances can boost or ‘turn on’ the immune system when it is depressed (such as with chronic fatigue or a cold) and can also suppress the immune system when it is over-stimulated (such as with autoimmune diseases like lupus or rheumatoid arthritis).

The powerful ability of fucoidan to bring the immune system back into balance is an extremely useful fucoidan health benefit and enables the immune system to function correctly.

Boost Your Immune System with Wakame Seaweed (and Fucoidan Extract)

No one likes getting sick or contracting an infection. There are over 400 different viruses that can cause human infections, such as the common cold, the flu, hepatitus and HIV.

Natural antiviral therapies inhibit the development of viruses in the body. Published research has indicated that fucoidan possesses a remarkable capacity to inhibit a broad spectrum of viruses including  influenza, hepatitis B, citomegalovirus and herpes simplex. Evidence shows that fucoidan can halt the progression of infections through the body by preventing viruses from entering host cells, and also by blocking attachment of viruses to host cell surfaces.


As your immune system loses the ability to shut down after beneficial inflammatory processes (such as healing a sprained ankle, or fighting an infection), you can be left with harmful, chronic inflammation. Inflammation is thought to be one of the main underlying factors present in just about every chronic health condition, including Crohn’s disease, high cholesterol levels, high blood pressure and asthma. In fact, research has shown that inflammation could be at the root of most disease.

Fucoidan has shown tremendous therapeutic anti-inflammatory potential in addressing conditions caused by chronic inflammation, such as arthritis-related joint inflammation, osteoarthritis, rheumatoid arthritis, and inflammatory bowel disease. There is growing evidence that shows fucoidan can interfere with the migration of leukocytes to the sites of inflammation, thereby stopping the body producing pro-inflammatory cytokines.

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It is becoming evident that gut health and gut flora play a more important role in overall health and wellbeing than previously realised.

There is significant interest in the potential of fucoidan, a natural prebiotic, to improve a range of digestive health conditions. Fucoidan is a complex carbohydrate and can improve digestive processes by absorbing water and pushing food along the digestive tract. Fucoidan is also known to have a unique ability to address both inflammation and infection, which are two known causes of stomach irritation and pain.

Research has also shown that fucoidan is effective in healing gastric ulcers, restraining influenza, inhibiting bacterial infections (such as E.coli and Heliobacter pylori), and reducing gut inflammation and colitis.


New research has recently confirmed the marked effect of fucoidan on ageing-related processes.

Recent studies have revealed that it activates a key enzyme that influences lifespan called sirtuin 6. Sirtuin 6 is one of seven sirtuin enzymes that impact a range of cellular processes in humans, such as ageing, telomere function and stress resistance.

Research has also demonstrated that fucoidan may promote vascular health, stimulate immune responses, and protect brain cells.

Finally, new research has recently confirmed the soothing, protective and anti-ageing properties of fucoidan for cosmetic and skincare applications.


Free radicals are highly reactive molecules that can cause severe damage to our cells if they’re not neutralised by antioxidants. If our levels of natural antioxidants are not high enough to counteract the damaging effect of these free radicals, then oxidative stress will occur. Oxidative stress is known to be a precursor to over 200 different human diseases. We know that stress, life habits, environmental pollutants, and aging all serve to reduce our own supply of natural antioxidants and increase free radical production. The good news is that we can improve our body’s natural supply of antioxidants with supplementation.

The main mechanism by which fucoidan exerts its primary antioxidant action is by scavenging free-radicals. Research has shown that fucoidan may also improve that natural production of antioxidants. The results also show the presence of polyphenols in fucoidan, which are widely known to have antioxidative actions (such as those found in tea, herbs and red wine). The presence of polyphenols may explain the antioxidative actions of fucoidan.

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Fucoidan is known to possess potent anticoagulant (blood-thinning) properties, which may be beneficial in preventing or treating certain health conditions such stroke, heart attack, or deep vein thrombosis.

Researchers also cite fucoidan as having the potential to be used as a natural antithrombotic agent, potentially reducing the need for prescription drugs (eg heparin) to treat blood clotting problems.

Because of its anticoagulant ability, it is generally recommended that fucoidan should avoided by people who are taking blood thinning medications.


Obesity has become one of the world’s more serious public health problems. It is estimated that some 58% of the world’s population will become obese by 2030.

Recent studies have been undertaken that illustrate the potential of fucoidan to assist with weight loss.

Fucoidan has been shown to help break down fat cells, promote better digestion, boost the immunity, and also increase anti-diabetic activity such as lowering high blood sugars and helping the body use insulin correctly.


Fucoidan research to date has mainly been conducted via in vitro studies (human cells in the laboratory), as well as animals studies. More recently, human clinical trials are being undertaken and completed.

Substantiation of fucoidan benefits is constantly changing and we are continually reviewing new research. Where possible, we have included all the latest and most relevant scientific research references. Please let us know if you have a study you think we should take a look at.

Please also note that our fucoidan products are not intended to diagnose, treat, cure or prevent any disease.

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