Omega-3 Index

Do you know your Omega-3 level. You should.


The Omega-3 Index is a nutritional tool that provides feedback on an individual’s omega-3 status.

By recording the percentage concentration of the omega-3s EPA and DHA in red blood cells, the Omega-3 Index provides a useful indication of a person’s long-term intake of omega-3s and has been proposed as a novel biomarker for cardiovascular risk.


Aim for 8

An omega-3 index of 8% or above is considered optimal, while a low omega-3 index indicates a higher risk of sudden cardiac death. 


The Omega-3 Index is a risk factor measurement tool for heart disease. Some believe it is more important than a cholesterol test.


In an unpublished clinical study, healthy volunteers took either 2 grams of Superba krill oil for 8 weeks or 2 grams of an omega-3 enriched fish oil.

The goal of the study was to compare the delivery of omega-3 fatty acids — phospholipids, i.e. krill oil vs. triglycerides, i.e. fish oil — to see if the form influences the increase in Omega-3 Index.


"Krill oil most effective" 

The study showed that krill oil increased the Omega-3 Index significantly more than fish oil after 8 weeks of supplementation. In fact, krill oil increased the Omega-3 Index about 70% more than fish oil at the end of study after dose adjustment between the two treatment groups.


The state of your health 

Because the Omega-3 Index reflects the incorporation of omega-3s in cell membranes, the Omega-3 Index is suggested to correlate with both the health of the body and its omega-3 status.

In other words, an improvement of the ratio of EPA and DHA to other fatty acids in the cell membrane is a strong indicator of a person’s state of health.

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1 Million Tested

  • To date, according to OmegaQuant, more than 1 million people have measured their Omega-3 Index.

  • It has also been used in large NIH-funded population studies.

  • Prominent omega-3 researcher and Omega-3 Index test inventor, Dr. Bill Harris, believes the Omega-3 Index test is more important than a cholesterol test.



In 2016, we formed The Omega-3 Index Project with several global partners. The goal of the Project is to bring more awareness to the health consequences of low omega-3 levels, how to measure those levels, and how to increase these levels.

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