Cognition and focus
Cognition, memory, and focus
Goal tierNot rated yet
The currently linked research coverage is not broad enough to characterize this goal yet.
Check this goal in more detailPublic-ready7/6/2026
Lion's Mane
Papers analyzed
90
Cognition, memory, and focusExercise performance and recoveryImmune and respiratory support
Main benefit evidence
Review human evidence by goal.
Exercise performance and recovery
Exercise performance and recovery
Goal tierNot rated yet
The currently linked research coverage is not broad enough to characterize this goal yet.
Check this goal in more detailImmune and respiratory health
Immune and respiratory support
Goal tierNot rated yet
The currently linked research coverage is not broad enough to characterize this goal yet.
Check this goal in more detailStress and mood
Stress Response and Sleep Changes
Goal tierNot rated yet
No direct evidence for general supplement use is confirmed under the current standard.
Check this goal in more detailSide effects and combination findings in studies
Findings from studies of this ingredient alone are separated from findings involving another supplement or medication.
Caution signals
2
Side effects + combos + curated rules
Key precautions
No curated contraindication rule is available yet, but literature caution signals are shown below.
These are signals reported in studies. They do not predict what will happen to an individual.
Findings to review with care
Side effects reported for the ingredient alone are separated from findings involving another supplement or medication.
Side effects reported when this ingredient was used alone
Symptoms or adverse events reported in studies of this ingredient without another active ingredient.
Stomach discomfort, headache, and allergic reactions1 papers
The review notes potential side effects of Hericium erinaceus include stomach discomfort, headache, and allergic reactions, though these are commonly unreported.Human studies · Systematic reviewgastrointestinal disturbance1 papers
Clinical studies indicate that Hericium erinaceus is generally well tolerated, with gastrointestinal disturbance identified as the most common adverse effect.Human studies · Systematic reviewLion's Mane
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