Omega-3 Testing: Are You Getting Enough Healthy Fats?

Written by Kristy Beard, MSN, APRN, FNP-C — Board-Certified Family Nurse Practitioner and Founder of Elevate Health and Wellness, serving patients across the Gulf Coast in Gautier, MS and Foley, AL.

The Omega-3 Deficit in American Health

Omega-3 fatty acids — particularly EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) — are essential polyunsaturated fats that the human body cannot synthesize in meaningful quantities on its own. They must be obtained through diet or supplementation. The primary dietary sources are fatty fish (salmon, sardines, mackerel, herring), fish oil supplements, and algae-based supplements for non-fish-eaters. Despite living on the Gulf Coast — one of the richest seafood regions in the country — many patients at Elevate Health and Wellness have omega-3 levels that fall well below the range associated with optimal health outcomes.

What Omega-3 Fatty Acids Do in the Body

EPA and DHA serve as structural components of cell membranes throughout the body and play critical roles in cardiovascular health — reducing triglycerides, lowering blood pressure, reducing arterial inflammation, and decreasing platelet aggregation. Research published in the New England Journal of Medicine (the REDUCE-IT trial) demonstrated that high-dose EPA significantly reduced major cardiovascular events in high-risk patients. DHA is the primary structural fat of the brain and retina, and is essential for cognitive function, mood regulation, and visual health. Omega-3s also serve as precursors to anti-inflammatory prostaglandins and resolvins — molecules that actively resolve inflammation rather than simply suppressing it.

What Is the OmegaCheck Test?

The OmegaCheck test — one of the most widely used clinical omega-3 assessments — measures the total omega-3 index: the percentage of EPA and DHA in red blood cell membranes. This is a more reliable indicator of long-term omega-3 status than serum levels, which fluctuate with recent dietary intake. An omega-3 index below 4% is associated with significantly elevated cardiovascular risk. An index of 8% or above is associated with the lowest cardiovascular risk. The majority of Americans fall below 4 to 5% — a range that reflects genuine nutritional insufficiency.

Who Should Consider Omega-3 Testing at Elevate?

Omega-3 testing at Elevate Health and Wellness is most valuable for patients with elevated cardiovascular risk including high triglycerides, low HDL, or established heart disease; those with chronic inflammatory conditions including arthritis, autoimmune disease, or inflammatory bowel disease; patients experiencing depression, brain fog, or cognitive decline; pregnant and breastfeeding women, for whom DHA is critical for fetal and infant brain development; and anyone taking omega-3 supplements who wants to confirm their levels are actually in the therapeutic range.

Want to assess your omega-3 status? Learn about our nutritional health and lab services at Elevate in Gautier, MS and Foley, AL.

Sources: New England Journal of Medicine. REDUCE-IT Trial. nejm.org. | NIH. Omega-3 Fatty Acids Fact Sheet. ods.od.nih.gov.

This article is written by Kristy Beard, MSN, APRN, FNP-C, board-certified Family Nurse Practitioner and founder of Elevate Health and Wellness. Information provided is for educational purposes only and does not constitute medical advice. Please consult a licensed healthcare provider for personalized care.