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Story summary
- In a 2020 pilot study of 49 participants aged 50+, lion's mane capsules showed significant improvements in cognitive tests versus placebo, but the study was small.
- Lion's mane has gained popularity on social media and is sold in tea and supplements.
- Some participants had abdominal discomfort and nausea, indicating capsules differ from eating whole mushrooms.
- Because the study was small, further research is needed to confirm any cognitive benefits.
