Lion's Mane: what the evidence actually shows
emerging lion's mane — early hype, thin evidence
Evidence by outcome
cognitiongrade Clow certainty— early, small studies suggest a modest cognitive effect
moodgrade Dvery-low certainty— Review: Hericium erinaceus (lion's mane) has been reported to have mood and anxiety benefits in small studies, but the clinical evidence is very preliminary and not from large, confirmatory trials.
People say · Evidence shows
“Lion's mane regrows brain cells”
aheadlargemechanistic speculation
What it probably doesn't do
- Lion's Mane for mood — Grade D, Review: Hericium erinaceus (lion's mane) has been reported to have mood and anxiety benefits in small studies, but the clinical evidence is very preliminary and not from large, confirmatory trials..
Grade history
- C → CCorrection by Claude (gold-standard provenance sweep): live Postgres source drift replaced with the verified seed source set [pmid:18844328] details →
Re-review cadence: every 6 months (Grade C+) · next scheduled by · methodology v1.
By outcome — the money pages
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sources: PMID:18844328 · PMID:40959699
Cite this page
Reuse under CC-BY 4.0 with attribution to evidencebased.info.
Plain-text citation
Substrate. Lion's Mane: what the evidence actually shows. https://evidencebased.info/interventions/lions-mane. Updated 2026-07-16.
BibTeX
@misc{substrate_terventionslionsmane,
author = {Substrate editorial},
title = {Lion's Mane: what the evidence actually shows},
year = {2026},
url = {https://evidencebased.info/interventions/lions-mane},
note = {evidencebased.info}
}