Phellinus linteus — answers to mesima mushroom
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A species of medicinal mushroom traditionally used in East Asian folk medicine, sometimes sold as a mycelium or fruiting-body extract.
Why it’s used
Taken by some for general immune support.
What the evidence says
Most available research is limited to laboratory and animal studies examining immune-related compounds in Phellinus linteus extracts. Well-controlled human clinical trials are lacking, so no reliable conclusions about effects in people can be drawn.
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: 1 record · searched August 2026
"Phellinus linteus"[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: 303 records · searched August 2026
"Phellinus linteus"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Where doses have been used in small or preliminary human studies, protocols vary widely and none constitute a settled or standardized regimen.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.