10/22/2026
Vital Signs · medicine

Millions take fish oil for brain health. A two-year study found no benefit

Filed by Dr. Iris Vale
Millions take fish oil for brain health. A two-year study found no benefit
A surprising two-year clinical trial found that fish oil supplements successfully delivered omega-3s to the brain but failed to improve memory or protect against Alzheimer's-related brain shrinkage. Researchers suspect that getting these nutrients through a healthy diet may offer benefits that supplements alone cannot provide.
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Dr. Iris Vale
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Millions take fish oil for brain health. A two-year study found no benefit — Vital Signs