Man with aching knees and a box and bottle of Pacific Sea Moss with text overlay that says Why Seaweed Reduces Arthritis?

Evidence that Seaweed reduces Arthritis

Evidence that Seaweed Reduces Arthritis

Seaweed reduces degeneration of cartilage through potent anti-oxidant and anti-inflamatory and anti-immunogenic actions. Arthritis is one of the most common causes of pain and disability in our aging population and current treatments only address the symptoms of joint disease.  While there are over 100 different types of arthritis, the underlying causes for arthritis are oxidative stress and inflammation in cartilage and in the surrounding tissue. Rheumatoid and osteo arthritis may be caused by different reasons.

Some promising work by  Kerschenmeyer and team in 2017 published promising “in vitro” work with the carrageenan in our Pacific Sea Moss©. While the paper is technical the information is really encouraging. What they said was

“Here we show that the natural polysaccharide alginate and particularly its sulfated derivatives have potent anti-oxidant, anti-inflammatory and anti-immunogenic properties in vitro. We found that these polymers exert a free radical scavenging activity in a sulfation-dependent manner. In particular, the sulfation degree of substitution of alginate directly correlated with its ability to scavenge superoxide radicals and to chelate metal ions.”

The data from that paper shows chemical assays performed with alginate (●), and sulfated alginates with DS 0.1 (•), 0.21 (x), 0.48 (■), 0.74 (✮) and 0.98 (▲). Each figure is a different assay. Figure A) Superoxide radical scavenging assay. B) Hydroxyl radical scavenging assay. C) Metal chelating assay. D) Reducing power assay. Dotted line indicates absorbance of the negative control. Results were obtained from three replicates and are shown as mean +/- SD.

There will have to be more in vitro or field trials but the evidence in the lab follows what many have been saying that seaweed reduces arthritis.


  • Treating arthritis with algae. A new weapon in the fight against arthritis? Science Direct
  • Anne Kerschenmeyer, Øystein Arlov, Vera Malheiro, Matthias Steinwachs, Markus Rottmar, Katharina Maniura-Weber, Gemma Palazzoloae and Marcy Zenobi-Wong 2017 Anti-oxidant and immune-modulatory properties of sulfated alginate derivatives on human chondrocytes and macrophages. Biomater. Sci., 2017,5, 1756-1765  DOI:10.1039/C7BM00341B

We make no medical claims.  But we all understand seaweed is healthy.  What you may not know is that peer reviewed scientific papers have shown in countless studies on humans, animals and in test tubes that seaweed is healthy. Biosea Health provides seaweed as a simple way to consume food.  Simply good healthy food.


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