Omega-3 Index Interpretation by Decade of Life
A guide to omega-3 index normal ranges, optimal targets, and how EPA+DHA red-blood-cell levels should be interpreted differently across each decade of life.
Omega 3 Index Lab Test: Reading Your Results
9 source-based articles maintained by the HealthRX.com Editorial Team.
9articles
3topic areas covered
Jan 28, 2025latest review
Omega 3 Index Lab Test: Reading Your Results library
Showing 9 of 9 clinical reviews.
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: 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
Understand an Omega-3 Index result, the 4% and 8% research thresholds, laboratory target ranges, food and supplement labels, and when retesting is useful.
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.
Omega-3 While Fasting: Does It Affect Your Index?
Fasting is not required for an Omega-3 Index test and does not meaningfully change your result. Diet and supplement dose are what drive your number.
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.