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Reishi mushroom

What should you know about Reishi mushroom uses, forms, evidence and safety?

Reishi, also called lingzhi, is sold as slices, decoctions, powders, extracts, capsules and spores; these products are not interchangeable.

Dried reishi mushroom showing its lacquered reddish-brown surface
Ganoderma species (source-specific identity required)

The short answer

The exact identity, preparation and amount determine how information about Reishi mushroom applies. Traditional context and practitioner experience are presented separately from modern research. Reishi supplements may increase bleeding risk and may be unsuitable with anticoagulant, antiplatelet or immunosuppressive medicines. Liver injury has been reported. Discuss use before surgery and during pregnancy or breastfeeding with a qualified clinician or pharmacist.

Sources

  1. Reishi MushroomMemorial Sloan Kettering Cancer Center