Everyday supplements › Lion's Mane and Memory › Studies

Does lion's mane improve memory?

Every study we read on this question

6 on-topic papers. Each has its own page: what it found, how much it counts, and how it fits.

The short answer

Unclear. Only four trials, with mixed results.

Confidence: very low.

Read the full answer

Trials in people (4)

Trial in 41 healthy adults found mixed results for lion's mane over 28 days
Randomized trial202341 peopleMixed
Trial of one 1 g lion's mane dose found mixed results on thinking tasks
Randomized trial2023Mixed
12-week trial of lion's mane: one memory test improved, two did not
Randomized trial2019Mixed
16-week trial in 30 Japanese adults with mild thinking problems found higher test scores
Randomized trial200930 peoplePoints to benefit

Animal and cell (1)

In mice bred for Alzheimer-type changes, lion's mane did not clearly improve spatial memory
Animal study2022No difference

Reviews (1)

Review of 26 studies: lion's mane raised one memory test score in human trials
Systematic review2025Points to benefit