Lion's Mane
lion's mane · Hericium erinaceus
A mushroom promoted for memory, focus and nerve regeneration.
TipoSupplement / dietary
Il voto risponde a: What does the human evidence support for: Cognition & nerve support?
Grado
C
Limitata
Il voto misura la qualità dell'evidenza, non è un consiglio ad assumere o acquistare.
- Classe
- Medicinal mushroom
- Uso principale
- Cognition & nerve support
- Forza evidenza
- low
- Ultima revisione
- 2026-07-01
In sintesi
Intriguing nerve-growth mechanism and a couple of small human trials hinting at cognitive benefit — but the human evidence is thin, short, and far from the bold 'brain regeneration' marketing.
Cosa dice l'evidenza
Lion's mane contains compounds (hericenones, erinacines) that stimulate nerve growth factor in laboratory models, which is the basis for the cognitive and neuroprotective claims. Human evidence is limited to a few small trials — for example modest, temporary cognitive improvement in older adults with mild impairment, and some mood/sleep signals — often small and short. There are no aging or neurodegenerative-disease outcome trials. Grade C: a genuinely interesting mechanism with an immature human evidence base.
Studi chiave
- [1]
Lion's mane and cognition in older adults · RCT
Modest, often temporary cognitive signals in small trials.
Apri su PubMed ↗ - [2]
- [3]
Hericium erinaceus neurotrophic effects (review) · review
Mechanistic basis, largely preclinical.
Apri su PubMed ↗
Meccanismo
Bioactive compounds may stimulate nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) signalling, supporting neuronal maintenance and plasticity — mostly shown in vitro and in animals.
Sicurezza
Generally well tolerated; occasional GI upset and rare allergic/skin reactions reported. Long-term safety is not well characterised, and product identity/potency varies (fruiting body vs mycelium).
Contesto dosaggio
Trials commonly use ~1–3 g/day of dried mushroom or extract. Product quality varies widely; 'mycelium on grain' products may contain little active mushroom.
Esempi di applicazione
- Taken ~1–3 g/day of a fruiting-body extract.
- Check the product is real mushroom, not 'mycelium on grain'.
- Cognitive claims are early; treat as experimental.
Nota dal campo
Lion's mane has one of the more exciting mechanisms in the mushroom aisle and one of the thinnest human evidence bases behind the hype. Grade C — worth watching, and worth checking whether your product is actual mushroom.