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Labwise › Tests › Cholesterol and lipids

Omega-3 Index%

The omega-3 index is the share of EPA and DHA in red blood cell membranes, a marker of long-term omega-3 intake.

See your own Omega-3 Index on its range.

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What Omega-3 Index measures

The omega-3 index is the share of EPA and DHA in red blood cell membranes, a marker of long-term omega-3 intake.

If your Omega-3 Index is low

An omega-3 index below the range reflects low EPA and DHA intake over the previous months.

Commonly associated with

Worth asking your clinician: Whether diet or supplementation is worth reviewing.

If your Omega-3 Index is high

An omega-3 index above the range reflects high EPA and DHA intake, usually from fish or supplements, and is generally read as favorable.

Commonly associated with

Worth asking your clinician: Nothing specific.

Typical reference range

GroupTypical range
Adultsover 8 %

Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.

If it is within range

Your omega-3 index is within the range printed by your lab.

Also listed as

Omega 3 Index, HS-Omega-3 Index, EPA+DHA Index

Related tests

This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.