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Shiitake mushrooms have a long history in food traditions and are the subject of growing scientific interest for their naturally occurring bioactive compounds, including beta-glucans and lentinan. Beta-glucans are a type of polysaccharide studied for its interactions with the body's immune system.

Immune research

A small human study involving 52 healthy adults examined daily consumption of 5g or 10g of dried shiitake mushrooms over four weeks. Researchers observed changes in certain immune-cell responses, salivary secretory IgA and the inflammatory marker C-reactive protein. These findings are promising, but larger studies are needed to understand their significance for long-term health.

Explore the gut–immune connection

The gut and immune system are closely connected, and dietary fibre plays an important role in digestive health. Shiitake mushrooms are an excellent source of prebiotic fibre, helping to support your gut health.