Omega-3 Index

The EPA and DHA share in red cells.

Omega-3 Index: golden-tinted glass ribbon folded like a wave on a dark surface
Image generated with AI.

The omega-3 index is the percentage of EPA + DHA in red cell membranes. In research, 8% and above is desirable and below 4% is the low zone.

Risk zones proposed in research; not a clinical guideline cutoff.
Index (%)Reading
<4Low zone
4–8Intermediate zone
≥8Desirable zone
Sources
  • Harris WS, von Schacky C. Prev Med 2004 — The Omega-3 Index: a new risk factor for death from coronary heart disease?

General information only; not diagnosis or treatment. Review your results with your clinician.