nootropic
Lion's mane
Also known as: Hericium erinaceusLion's mane is an edible mushroom used in supplements marketed for focus and cognitive support. Most human research to date is small and early-stage.
Educational reference only — not medical advice. These statements have not been evaluated by the FDA, and this information is not intended to diagnose, treat, cure, or prevent any disease. Talk to a healthcare provider before use.
Typical dose
Studies vary widely (roughly 500–3,000 mg/day of extract); no standard dose is established.
Onset
Studied over weeks of consistent use rather than acutely
Duration
Not applicable (taken as a daily supplement)
Legal status
Sold as a dietary supplement or food in the U.S.
Common forms
CapsulePowderTinctureCoffee blend
Safety
Generally well tolerated in short studies; robust long-term human data is limited. People with mushroom allergies should avoid it.
Interactions
Few documented; consult a healthcare provider if you take medication.
Who should avoid
People with mushroom allergies, and those pregnant or nursing (limited data), should be cautious.
Products with this
No listed products reference this yet.
Sources
- Mori K, et al. Improving effects of Hericium erinaceus on mild cognitive impairment. Phytother Res. 2009.
- Docherty S, et al. The Acute and Chronic Effects of Lion's Mane Supplementation in Healthy Adults. Nutrients. 2023.