Reishi mushroom

Silver· human data

Also known as: Ganoderma lucidum

A calming immune mushroom with early evidence and variable product quality.

Reishi is a medicinal mushroom used for immune support, calm and general wellbeing, with beta-glucans and triterpenes as active compounds.

Human trials are limited and mixed — some suggest immune or quality-of-life effects, including as an adjunct in illness — but the standalone wellness evidence is preliminary. Extract quality and beta-glucan content vary widely, which matters more here than the mushroom name.

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Written and reviewed by Mathew Beale, MSc Biotechnology, University of Reading.

Last reviewed: