Understand Total Omega-3

Total Omega-3

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-3 values sit together on one chart and you walk into your next appointment prepared.

Download for iOS Learn more

Summarize with AI

Updated Jul 13, 2026

What is Total Omega-3?

The combined amount of omega-3 fatty acids measured in your blood.

Total omega-3 adds up the omega-3 fatty acids such as EPA, DHA, and DPA that come mainly from fish, seafood, and some plant oils. Diets and blood profiles richer in omega-3s have generally been associated with better heart health, including lower triglycerides, though supplements are not recommended for everyone. This is an advanced marker reported within a specialized fatty-acid panel rather than a standard blood test.

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

References

Official source "Omega-3 Fatty Acids - Consumer Fact Sheet" NIH Office of Dietary Supplements. ods.od.nih.gov/factsheets/Omega3FattyAcids-Consumer.

About our sources

Official sources

Government health agencies, national institutes, and intergovernmental bodies whose guidelines carry regulatory or policy weight.

MedlinePlus (NIH / U.S. National Library of Medicine) NIH Office of Dietary Supplements World Health Organization Centers for Disease Control and Prevention NCBI Bookshelf / StatPearls (NIH/NLM) NHLBI, National Institutes of Health NIDDK, National Institutes of Health National Cancer Institute (NIH) National Health Service (UK) National Institute for Health and Care Excellence European Food Safety Authority

Clinical / professional

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

Testing.com / Lab Tests Online (ADLM, ex-AACC) Mayo Clinic Laboratories Cleveland Clinic MSD Manuals American Diabetes Association American Heart Association Endocrine Society American Thyroid Association

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.

Keep your Total Omega-3 results together in one place

Upload a lab, and Longetic reads it, explains it, and reminds you when it's time to re-check — so nothing slips between visits.

Download for iOS Learn more