Marine omega-3 fatty acids
Intervention1 paper2 findings
- Human trial1
Outcomes
2Glial fibrillary acidic protein
downin humans1Moderate certainty
1 study
Glial fibrillary acidic protein
downin humans1Moderate certainty
Marine omega-3 fatty acids decrease glial fibrillary acidic protein in humans (-12.4% (95% CI: -21.5% to -2.2%)).
Human trialin Black participantsplasma1 g/day4 years
Effects of long-term daily supplementation with vitamin D3 and marine omega-3 fatty acids on change in ADRD biomarkers: A secondary analysis of a randomized clinical trial · Alzheimer's & dementia (New York, N. Y.) · 14 Sep 2026
Plasma ADRD biomarkers
no changein humans1Moderate certainty
1 study
Plasma ADRD biomarkers
no changein humans1Moderate certainty
Marine omega-3 fatty acids have no effect on plasma ADRD biomarkers in humans.
Human trialover 4 yearsplasma1 g/day4 yearsn = 929
Effects of long-term daily supplementation with vitamin D3 and marine omega-3 fatty acids on change in ADRD biomarkers: A secondary analysis of a randomized clinical trial · Alzheimer's & dementia (New York, N. Y.) · 14 Sep 2026