Roll Call

“EPA (Eicosapentaenoic Acid)?”Here!an omega-3 fatty acid

Varies by source

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As a supplement

Talk to your doctor or pharmacist.

Roll Call does not check drug interactions or assess personal safety.

A long-chain omega-3 fatty acid found in fatty fish and fish oil supplements, typically paired with DHA.

Why it’s used

Taken to support cardiovascular health, particularly to help manage triglyceride levels.

What the evidence is for

lowering triglyceride levels, particularly at higher doses.

What the evidence says

NIH ODS notes combined EPA and DHA supplementation lowers triglycerides at higher doses. Prescription-strength, EPA-only formulations have shown reductions in cardiovascular events in specific high-risk groups in clinical trials, but general over-the-counter supplement doses have less consistent supporting evidence for broader cardiovascular outcomes.

Dose studied

2–4 g — combined EPA+DHA or EPA-only doses studied for triglyceride lowering.

Context

Trials showing cardiovascular benefit have generally used prescription-level EPA doses around 4 g/day; typical over-the-counter fish oil supplements provide considerably less.

Rumors

  1. Lowering triglyceride levels, particularly at higher doses.

    Supports — suggestivehealth and safety evidence

    Measured as a biomarker.