Double Wood Supplements Reishi Mushroom is a potent immune support supplement that helps you feel more resilient to daily stress, powered by a star reishi extract, it's trusted by shoppers. Backed by third party testing and GMP manufacturing, this formula combines the fruiting body and mycelium for a complete phytonutrient profile, delivering antioxidant support and immune modulation.

Benefits & Features:

• Supports immune health.
• Helps reduce fatigue linked to daily stress, promoting steadier energy throughout the day.
• Antioxidant properties help protect cells from oxidative stress and support healthy aging.
• Third party testing and Certificates of Analysis provide transparency on potency and purity.
• With a formulation that includes both the fruiting body and mycelium, you get a richer spectrum of bioactives that support resilience and overall wellness every day.

Double Wood Supplements stands out for its commitment to purity and transparency. The brand conducts third party testing and publishes Certificates of Analysis, confirming potency and safety. Production happens in GMP certified facilities with careful sourcing and end-to-end traceability. Reishi mushroom extract is produced to preserve the full spectrum of bioactive compounds, a method that mirrors the brand’s long standing dedication to quality you can rely on, as an ganoderma lucidum mushroom source that supports your immune system booster needs.

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

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 30 days in the same original and unopened packaging. Subject to T&C's.

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

The Active Ingredient Is: Reishi (Ganoderma lucidum) 4:1 extract

Reishi mushroom extract is a traditional adaptogenic fungus with bioactive compounds that support normal immune health and resilience.

This 4:1 extract combines the fruiting body and mycelium to deliver a concentrated form for structural support of immune function and antioxidant activity.

What Does Reishi Do?

Dr. Zhao of a university found that Reishi modulates immune cell function and may help reduce fatigue, supporting immune vigilance and general well‑being.

The extract contributes to normal immune function and cellular health through its antioxidant properties, in line with EFSA‑type understanding of plant extracts.

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

Double Wood Supplements is our chosen partner for Reishi Mushroom due to a proven commitment to manufacturing excellence and rigorous third‑party verification. The brand is known for its transparency in testing, providing COAs and third‑party lab results that verify ingredient potency and safety, plus a clear adherence to GMP practices across its facilities.

This credibility is reflected in their robust quality standards and routine quality control, which align with our expectations for consistency, purity and trust. Our expert team evaluates brands like Double Wood against stringent criteria, including certification status, production practices and open access to test results, ensuring we can confidently stand behind every bottle we stock (our expert team of doctors, nurses, and nutritionists and our supplement quality standards).

For this supplement, Double Wood’s approach to full‑spectrum Reishi and verified manufacturing fit our mission to offer immune support and fatigue‑related relief in a safe, reliable way, delivering value and reassurance to customers.