Agaricus mushroom — answers to Agaricus blazei / Agaricus subrufescens
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An edible mushroom species, sometimes called almond mushroom, traditionally used in parts of Brazil and Japan and now sold as a dried powder or extract in supplements.
Why it’s used
Taken by some for general immune support, a use rooted in traditional practice and marketed extract claims.
What the evidence says
Human clinical evidence is limited to small, often poorly controlled trials, mostly in cancer patients undergoing other treatment. No mainstream body has established a reliable effect from oral supplementation in healthy people.
Where we looked
There was no paper to cite here, so this is the search instead — run it yourself and see what we saw.
- PubMed: 0 records · searched August 2026
"Agaricus mushroom"[Title/Abstract] AND ("dietary supplements"[MeSH] OR supplementation[Title/Abstract] OR supplement[Title/Abstract] OR supplements[Title/Abstract] OR "oral administration"[Title/Abstract]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt] OR systematic review[pt]) AND humans[MeSH] - PubMed: 15 records · searched August 2026
"Agaricus mushroom"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Available trials use inconsistent extract preparations and dosing, which limits any comparison or generalization.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.