Lion's Mane clinical brief
Lion's Mane
Dossier liveBCognitive
Evidence strength
Established signal
4 RCTs - 7 tracked studies
What it is for
Mild cognitive impairment - cognitive function support
The clearest current human use case based on dose, outcomes, and clinical coverage.
What moves
Highest-signal biomarkers
Human linked
Top caution
Cyclosporine
Theoretical immunostimulatory activity could reduce immunosuppressive efficacy in transplant or autoimmune patients; no clinical cases confirmed
Evidence index
68
Authored product-registry confidence score
Meta-analyses
0
Pooled human evidence
RCTs
4
Randomized clinical trials
Tracked studies
7
Studies currently mapped to this dossier
Executive summary
Immediate brief
Lion's Mane is a Cognitive with its clearest current use in Mild cognitive impairment - cognitive function support.
Established signal human evidence supports the brief, anchored by 7 tracked studies, 4 RCTs.
Theoretical immunostimulatory activity could reduce immunosuppressive efficacy in transplant or autoimmune patients; no clinical cases confirmed Theoretical immunostimulatory activity could reduce immunosuppressive efficacy in transplant or autoimmune patients; no clinical cases confirmed Evidence cannot be straightforwardly extrapolated to Western populations; dietary context (traditional mushroom consumption vs.
Anchor decision
Mild cognitive impairment - cognitive function support
Best current human use case
Confidence
Established signal
4 RCTs - 7 tracked studies
Read next
Cyclosporine
Pressure-test the lead caution before acting.
Reading guide
How to use this brief
1. Orient
Use the overview tab to understand mechanism, safety, scope, and where the current evidence still has blind spots.
2. Pressure-test
Move into evidence and biomarkers once the memo already makes sense, so the tables confirm or challenge the narrative rather than replace it.
3. Operationalize
Finish with dosing and PGx when the compound still looks useful and you are deciding whether it belongs in a real protocol.
Major warning
DPregnancy
Evidence cannot be straightforwardly extrapolated to Western populations; dietary context (traditional mushroom consumption vs.
Overview
Clinical posture
Start with mechanism and safety, then move into scope, synergies, and the open questions that still matter before going deeper into tables.
Primary signal
Mechanism summary
Read this as the shortest defensible explanation for why the compound belongs in the conversation at all.
Co-primary
Safety summary
These are the reasons this compound can still break trust if the protocol fit is otherwise attractive.
Supporting context
Evidence scope
Read these caveats before assuming the effect sizes generalize cleanly across every population or use case.
Generalizability
ReviewEvidence cannot be straightforwardly extrapolated to Western populations; dietary context (traditional mushroom consumption vs.
Evidence scope
ReviewProduct standardization required before clinical recommendations.
Evidence scope
ReviewShort-term trials underestimate efficacy; continuous use appears necessary; no data on long-term safety beyond 16 weeks in humans
Publication bias
ReviewCurrent evidence base insufficient for clinical recommendations across any indication.
Synergies
Potential pairing logic is useful only when it adds a cleaner decision path, not when it becomes an excuse to stack indiscriminately.
No validated pairing data yet
No dossier-backed pairing evidence is currently mapped for Lion's Mane.
Research unknowns
These are the open questions that still keep the compound from reading like a closed case.