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See the MedQuiry scores of studies and read the plain English summaries of what the studies say.
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A 2023 review in CNS Drugs found that evidence for Prevagen is weak and largely from company-funded studies; calls for independent trials.
A higher score means a study’s methods more strongly support confidence in it as a piece of evidence — it rates the study, not whether a treatment will work for you. We review research from trusted medical journals, check that studies were set up fairly, and verify the numbers add up. Our patent-pending scoring system was developed with clinical advisors to help you make informed decisions about your health—no medical degree required.
Meet our clinical advisors →A 2022 review assessed Prevagen’s available studies, highlighting methodological weaknesses and lack of independent replication.
