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Shiitake Mushroom

Lentinula edodes

log-grown · outdoor-aged

Rich source of spermidine and ergothioneine. Log-grown shiitake (vs. sawdust bags) produce significantly higher ergothioneine concentrations. Also a precursor-rich source of niacin for the NAD+ pathway.

Compounds in this food

1 grower

Qihe Mushroom Corp.
Gov. certified
Everson, WA, US

Growing method sources

Documented — confirmed by certification body, lab test, or published standard
Grower claims — stated on grower website or marketing materials; not independently verified
Inferred — based on regional conditions, growing category, or certification type; not directly confirmed

Research citations

Mushrooms: a rich source of the antioxidants ergothioneine and glutathione
Kalaras MD et al. · Food Chemistry · 2017
peer-reviewedDOI →

Not medical advice. Virisource is not affiliated with any cited authors or institutions.