Test library
Essential Fatty Acids Test
The Omega 3 and 6 Fatty Acids Test measures the balance of key polyunsaturated fats in the blood. It is used to assess dietary fatty acid intake and the ratio between omega-3 and omega-6 levels.
Order Omega 3 & 6 Fatty Acids Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Omega 3 & 6 Fatty Acids Test- Typical turnaround
- 1-3 business days
- Starting price
- From $129
- Results
- Confidential, online
Quick answer
The Omega 3 and 6 Fatty Acids Test measures the levels of polyunsaturated fats in the blood, including the balance between omega-3 and omega-6 fatty acids. These fats play roles in cell function, inflammation, and heart health, and their levels reflect dietary intake. The test uses a blood sample and is often ordered to assess nutrition or support a discussion with a healthcare provider.
What this test measures
Omega-3 and omega-6 fatty acids are essential fats that the body cannot make on its own, so they must come from food. Omega-3s are found in oily fish, flaxseed, walnuts, and certain oils, while omega-6s are common in vegetable oils and processed foods. The balance between the two has been studied for its relationship to inflammation and cardiovascular health.
The test measures fatty acids in a blood sample, often using serum or plasma. Depending on the laboratory, it may report individual fatty acids such as EPA, DHA, and arachidonic acid, along with a total omega-6 to omega-3 ratio. Some panels also include an Omega-3 Index, which reflects the percentage of EPA and DHA in red blood cell membranes.
Results are usually interpreted in the context of diet, lifestyle, and health goals. A low omega-3 level may reflect low intake, while a high omega-6 to omega-3 ratio can point to dietary imbalance. Clinicians use the results to guide nutrition discussions, and the test is educational rather than diagnostic.
- Total omega-3 fatty acids
- Total omega-6 fatty acids
- Eicosapentaenoic acid (EPA)
- Docosahexaenoic acid (DHA)
- Alpha-linolenic acid (ALA)
- Arachidonic acid (AA)
- Linoleic acid
- Omega-6 to omega-3 ratio
- Omega-3 Index
Why people order this test
- Assess dietary intake of omega-3 and omega-6 fats
- Evaluate the balance between omega-3 and omega-6 levels
- Support nutrition planning with a healthcare provider
- Monitor fatty acid levels after dietary changes
- Review cardiovascular and general nutrition markers
- Provide objective information for a wellness discussion
How to prepare
A blood sample is required, and the laboratory may ask for fasting depending on the specific panel. Follow the collection instructions provided with the order, and tell the ordering provider about any supplements, including fish oil.
Understanding your results
Results are typically available within one to three business days. The report lists individual fatty acids, totals, and often a ratio or index. Values reflect recent dietary intake and are interpreted by a healthcare provider in context.
Essential Fatty Acids Test by state
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Connecticut
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Delaware
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Florida
Essential Fatty Acids Test across Florida.
Georgia
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Hawaii
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Idaho
Essential Fatty Acids Test across Idaho.
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Frequently Asked Questions
What does the Omega 3 and 6 test measure?
It measures polyunsaturated fatty acids in the blood, including omega-3 and omega-6 levels and often the ratio between them.
Do I need to fast?
Fasting requirements depend on the specific panel. Follow the instructions provided with your order.
What is the Omega-3 Index?
It is a measure of the percentage of EPA and DHA in red blood cell membranes. Some laboratories include it in the fatty acid panel.
Can diet change the results?
Yes. Fatty acid levels reflect dietary intake, so recent meals and supplements can influence the values.
Is this test diagnostic?
No. It is used to assess fatty acid status and support nutrition discussions. A healthcare provider interprets the results.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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