howtosupplement
Mood/Immunity/Inflammation

Reishi

Medicinal mushroom extract studied for fatigue, immune signaling, and inflammation, with limited human evidence in adults.

Reishi

Reishi

33
score
C
evidence
Caution
risk
Quick Take

Mostly a niche mushroom: small studies suggest mild fatigue/QOL benefits, while broader claims remain unconvincing.

Reishi is a medicinal mushroom, also called Ganoderma lucidum or lingzhi, used as teas, powders, and extracts rather than as a meaningful nutrient food. Its beta-glucans and triterpenes appear to affect immune-cell signaling and inflammatory pathways. In human studies, the best-supported effects are modest improvements in fatigue or quality of life, with weaker evidence for immune and inflammation markers. It may fit adults curious about mushroom extracts after core basics are already covered.

Proven Benefits

01
May improve fatigue/QOL
02
May increase NK-cell activity
03
May lower CRP/TNF-α

Protocol

Amount
1000-1500 mg extract
Frequency
Once daily or split into 2 doses
When
With food if you are GI-sensitive; any time of day — consistency matters more than timing.

Onset Time

2-8 weeks for subjective effects; biomarker changes are inconsistent

Who Should Consider

Adults with persistent low-grade fatigue
People wanting a non-stimulant wellness trial
Adults specifically interested in mushroom extracts
People who have already covered sleep, diet, and basics

How It Works

Beta-glucans from reishi interact with receptors on immune cells, while triterpenes may influence NF-kB and other inflammatory signaling pathways. In humans this seems to cause modest shifts in immune and inflammatory markers rather than a strong, reliable stimulant effect.

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