Lion's mane
Hericium erinaceus
also known as Yamabushitake, Hou tou gu
Moderate (cognitive support)
A shaggy white mushroom that grows on hardwood trees, looking like a small lion's mane or a frozen waterfall. Modern research focuses on the brain — lion's mane contains compounds that stimulate nerve growth factor, with early but real evidence for cognitive support and mood.
- May support cognitive function, particularly in older adults with mild cognitive decline
- Stimulates production of nerve growth factor — a protein the brain uses to maintain and repair neurons
- May ease mild anxiety and depression
- Supports digestive lining and may help with mild gastritis and ulcer recovery
- Antioxidant and anti-inflammatory action
- Generally well tolerated and considered a safe culinary mushroom
Active in Hericenones, Erinacines, Beta-glucans.
Can trigger allergic reactions in people sensitive to mushrooms — start with a small dose
May lower blood sugar — caution with diabetes medication
Mild blood-thinning effect — caution with blood thinners
Stop two weeks before surgery
Limited safety data during pregnancy and nursing — skip to be safe
Effects on cognition build over weeks to months — not a same-day stimulant
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