Swanson Shiitake Mushroom Extract, 500mg - 120 caps

Shiitake Mushroom 4:1 Extract (Lentinula edodes) (fruiting bodies), Shiitake Mushroom 4:1 Extract (Lentinula edodes) (fruiting bodies)

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Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

As a dietary supplement, take two capsules two times per day with water. Store in a cool, dry place. WARNING: For adults only. Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition. Keep out of reach of children. Do not use if seal is broken.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Shiitake Mushroom Extract

Shiitake mushroom extract is a concentrated form sourced from the fruiting bodies of Lentinula edodes, tagged as a dietary supplement ingredient used to support immune health. This product relies on a 4:1 extract offered in capsule form for ease.

The extract is prepared from shiitake mushrooms and is presented with excipients in a capsule to aid delivery. This formulation centres on the primary active material, with extra minor components listed as part of the capsule contents.

What Does Shiitake Mushroom Extract Do?

Shiitake mushroom extract takes part in immune system activity, helping the body’s normal immune response as described in clinical contexts of shiitake polysaccharides and beta-glucans.

Scientific discussions note that beta-glucans and polysaccharides in shiitake can activate immune cells, supporting immune resilience. Dr. Dai of the University of Nebraska found that regular intake of shiitake mushrooms may improve immune function.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

Swanson is our preferred partner for Shiitake Mushroom Extract because the brand brings a global manufacturing heritage and a reputation for premium quality produced in the United States. This clarity and heritage give our medical team confidence in the core quality of the extract we rely on for this supplement, aligned with Welzo’s emphasis on reliability and safety.

This brand is recognised for its long-standing position in the industry, and our evaluation highlights Swanson’s commitment to delivering a concentrated shiitake extract that supports immune function and heart health as part of its traditional-use profile. The formulation strategy centres on standardised shiitake bioactives, using plain, well-understood ingredients in a tested delivery format, which our team checks via how we verify ingredient quality.

Welzo selected Swanson for its manufacturing excellence, third-party validation potential, and alignment with our UK regulatory and market standards. This brand was assessed by our medical team for compliance with our rigorous vetting criteria, and we feel confident in its fit for this immune-supporting supplement.