The Natural Anti-inflammatory Powers of Spirulina

More and more, research is identifying the role of inflammation in a myriad of conditions, including ones you wouldn’t expect to be inflammatory. Recent research is also pointing to the surprising anti-inflammatory properties of spirulina as a part of the solution.

Inflammation obviously plays a role in inflammatory diseases like arthritis, asthma and inflammatory bowel disease. More surprising is that it also plays a key role in conditions not thought of as inflammatory, like depression, dementia, cardiovascular disease, diabetes and cancer.

Spirulina is a blue-green microalgae that is loaded in nutrients, including protein, fiber, EFA’s, carbohydrates and an incredible array of vitamins and minerals. It has been proven to be antioxidant, immune modulating, antiviral, antibacterial and anti-cancer. But it is also powerfully anti-inflammatory.

Importantly, research suggests that spirulina modulates the immune response and reduces inflammation by its effect on cytokines like C-reactive protein (CRP).

This new meta-analysis included 4 controlled studies of the effect of spirulina on CRP. It found that spirulina significantly reduces CRP compared to a placebo, suggesting that spirulina may offer protection against inflammation related chronic conditions.

Meta-analysis of other studies showed that spirulina also reduces other inflammatory markers, like TNF-α and IL-6, but that the effect did not reach statistical significance.

Spirulina has several bioactive compounds and mechanisms by which it reduces inflammation. This meta-analysis establishes that it can reduce inflammation by significantly reducing C-reactive protein.

Int J Vitam Nutr Res. 2026;96(1):44330.

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