Also known as: hericium erinaceus, yamabushitake
Latest evidence update: 2023-12-06
Strongest in Consistency (88). Held back by Recency (35).
Solid mix of RCTs with some methodological gaps.
Some independent replication, statistical precision uneven.
Thousands of participants across the literature.
Studies agree on direction of effect.
Evidence base skews older; field may have moved on.
No per-outcome numbers yet for this one. Each finding's direction and strength is shown in the research below.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
Recommended: 500-1000mg daily
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Improves cognitive function and memory in people with mild cognitive impairment
Reduces depression and anxiety symptoms
Supports brain health through stimulation of nerve growth factor and promotion of new nerve cell growth
Improves speed and mental processing in acute doses
Reduces overall physical and emotional complaints including stress and difficulty concentrating