Cardiovascular events

Omega-3 EPA/DHA

Cardiovascular outcome evidence varies by formulation, dose, and population.

conflicting evidence

Direction: unknown

Magnitude: unknown

Human evidence reviewed

Study context

Population: Adults at differing cardiovascular risk

Studied dose: Varies or not established

Duration: Varies across reviewed studies

Last reviewed: 2026-09-16

Limitations & caveats

  • Do not generalize prescription EPA trial effects to retail fish oil.

Sources

NIH ODS: Omega-3 Fatty Acids — Health Professional Fact SheetExpert or government fact sheet · NIH Office of Dietary Supplements · supportsOpen ↗

Source type and claim strength are separate. A fact sheet summarizes underlying research; its link is not an individual clinical trial.