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Lion's mane
Also called: Medicinal mushroom, Hericium erinaceus
A shaggy white medicinal mushroom studied for focus, memory, and nerve health. Human studies are small but promising.
Commonly used for
- Focus and memory
- Mood support
- Nerve health
- Gut lining support
Found naturally in
- Fresh lion's mane mushroom, cooked like other culinary mushrooms
Label red flags
- No beta-glucan percentage listed
- 'Myceliated grain' or 'mycelium biomass' as the main ingredient
Check with a provider
- Pregnancy or breastfeeding: not well studied
- Autoimmune conditions or immune-suppressing medicines. It may affect immune activity, so ask your provider first.
- Taking blood thinners or diabetes medicine
- Mushroom allergy
Supplements that contain it
Brand nameProduct nameMushroom blendsComing soon
Brand nameProduct nameFocus and brain formulasComing soon
Brand nameProduct nameMushroom coffeesComing soon
Brand nameProduct nameMushroom blendsComing soon
Brand nameProduct nameFocus and brain formulasComing soon
Brand nameProduct nameMushroom coffeesComing soon
Parts of the body it affects
Explore what each area does and the conditions that can affect it.

Brain & nerves
Your brain, spinal cord, and nerves carry every signal in your body, from movement and sensation to mood and memory.

Digestive tract
Your stomach and intestines absorb nutrients and hold most of your body's immune tissue, which makes the gut a common target in autoimmune disease.
Illustrations: Servier Medical Art, CC BY 4.0

Wondering if your symptoms fit a pattern?
Dr. Lesher is a naturopathic doctor who specializes in women's autoimmune and chronic conditions. Since 2020, she has helped more than 900 patients overcome and heal from their conditions.