Omega-3 Index: Evidence-Based Ways to Improve This Number
Learn what the Omega-3 index measures, what a healthy range looks like, and which specific doses, foods, and strategies have clinical trial support for raising EPA+DHA in red blood cells.
Omega 3 Index (Lab Test)
7 source-based articles maintained by the HealthRX.com Editorial Team.
7articles
3topic areas covered
Jul 14, 2025latest review
Omega 3 Index (Lab Test) library
Showing 7 of 7 clinical reviews.
Omega-3 Index: How to Interpret Your Result
Learn what your Omega-3 index score means, the optimal range for cardiovascular protection, and evidence-based strategies to raise or lower your EPA+DHA levels.
Omega-3 Index: Lab "Normal" vs Functional Optimal Explained
What an Omega-3 index result actually means, why the standard lab reference range differs from the research-based optimal target, and how to think about the gap.
Omega-3 Index: What This Blood Test Actually Measures
The Omega-3 Index measures EPA and DHA levels in red blood cell membranes, expressed as a percentage of total fatty acids. Learn what the results mean, target ranges, and how to change your number.
Omega-3 Index: When to Order This Test
Learn when clinicians order the Omega-3 Index test, what EPA+DHA levels in red blood cells mean for cardiovascular risk, and how to interpret results, with primary-source citations throughout.
Omega-3 Index: Which Tests to Order Alongside
A clinician-guided list of lab tests to pair with the Omega-3 Index for a complete cardiovascular, metabolic, and inflammatory risk picture.
Orlistat and Omega-3 Index: How It Skews Your Result
Orlistat can lower your Omega-3 Index by blocking fat absorption, reducing EPA and DHA uptake. See which other drugs raise or suppress this test.