01
Why people use it
Lion's mane is an edible mushroom and supplement ingredient; early cognition studies are small and tied to particular products.
- ✓Culinary mushroom
- ✓Traditional context
- ✓Early cognition research
02
What the evidence says
Human evidence is preliminary and mixed. A 2025 randomized crossover study of 18 healthy younger adults found no significant overall cognition or mood benefit after a single 3 g dose of a 10:1 fruiting-body extract, although one individual task improved.
Hover, focus or tap each label for context.
These labels summarize the available context; they are not a clinical recommendation.03
Common forms
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Evidence and safety apply only to the specific form, species, preparation, dose and population studied. Do not transfer findings between foods, brewed teas, powders, extracts, capsules, oils or blends.
Safety note
Know before you use it
Avoid with a mushroom allergy. Supplements can cause gastrointestinal discomfort, nausea or rash, and their identity and concentration vary. Review concentrated products with a clinician during pregnancy, breastfeeding or prescription treatment.
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A complete guide to Lion's mane mushroom uses, distinct preparations, traditional context, modern evidence and practical safety considerations.
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Sources & review
- Lion's Mane MushroomMemorial Sloan Kettering Cancer Center
- Acute effects of a standardized Hericium erinaceus extract on cognition and moodPubMed