Herbs & botanicals
Lion’s Mane
Names you may see: lions mane lion's mane Hericium erinaceus mushroom
The quick take
Lion’s mane is an edible mushroom studied for possible cognitive and mood effects.
A closer look
What forms will I see on a label?
Products may use fruiting bodies, mycelium or extracts. Different preparations can contain different compounds and are not automatically interchangeable.
Why people use it
People choose it for memory, focus, mood and stress-support goals.
These are common goals and marketing uses. The evidence section below explains what research supports.
What does the evidence tell us?
Small human studies offer preliminary signals, but findings are mixed and larger trials are needed. Laboratory nerve-growth findings do not prove improved memory or nerve repair in people.
What should I know before using it?
Stomach discomfort, nausea and skin rash have been reported. Avoid if allergic to the mushroom and seek individual advice during pregnancy, breastfeeding or medical treatment.
Sources & further reading
Content reviewed: September 30, 2026
General educational information. Follow the product label and seek individual advice when needed.