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Understand Total Omega-6

Total Omega-6

Heart & circulation markers

What the test generally measures, and what to ask about it.

Longetic keeps every lab and record you’ve had organized and easy to find, so your own Total Omega-6 values sit together on one chart and you walk into your next appointment prepared.

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Updated Jul 13, 2026

What is Total Omega-6?

The combined amount of omega-6 fatty acids measured in your blood.

Total omega-6 sums up the omega-6 fatty acids such as linoleic acid and arachidonic acid, which come largely from vegetable oils, nuts, and seeds. Contrary to a common belief that they are harmful, large studies have found that higher blood levels of the main omega-6 fatty acids can be associated with lower, not higher, cardiovascular risk. This is an advanced marker reported inside a specialized fatty-acid panel rather than a routine test.

This glossary entry is for informational purposes only and is not a substitute for professional medical advice. Read our Terms of Use.

References

Peer-reviewed "Biomarkers of Dietary Omega-6 Fatty Acids and Incident Cardiovascular Disease and Mortality" PubMed. doi.org/10.1161/CIRCULATIONAHA.118.038908.

About our sources

Clinical / professional

Medical societies, specialty colleges, and professional associations whose consensus statements reflect clinical practice standards.

Peer-reviewed research

Original research articles and systematic reviews published in indexed journals and verified through PubMed or DOI.

History of updates

Published · Jul 13, 2026
First published, written and independently fact-checked against the cited sources.

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