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Ultimate Omega 3 and 6 Fatty Acids Blood Test

Original price £115.00 - Original price £115.00
Original price
£115.00 - £115.00
Current price £115.00

This test measures all the fatty acids in the blood, reporting levels of 24 fatty acids, including the Omega-3 Index, various ratios, and the Trans Fat Index.

  • Biomarkers: 5
  • Turnaround: 16 days

Simple and accurate blood test from a laboratory you can speak to.

Step 1. Choose sample collection option

Currently selected option: HOME KIT via Royal Mail Tracked 24

  • Available everywhere in mainland UK.
  • Includes everything you need to take a safe and suitable blood sample in about 15 minutes.
  • Post the sample back to our laboratory via Royal Mail Tracked 24.

Re-test guarantee

About the test

The Ultimate Omega-3/6 Index complete test measures all the fatty acids in the blood, reporting levels of 24 fatty acids, including the Omega-3 Index, various ratios, and the Trans Fat Index. This test provides detailed information about the types and amounts of fatty acids present, which can help in assessing dietary fat intake and understanding its potential impact on health.

5 Biomarkers and Investigations


    - Omega-3 Index
    - Omega-6:Omega-3 Ratio
    - AA:EPA Ratio
    - Trans Fat Index
    - Individual fatty acid levels x 24


    Need more biomarkers? Add this test to our largest panel, the Ultimate Performance Blood Test.

What is Omega-3 Index?

The omega-3 index measures the levels of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in your blood as a percentage of all the fatty acids in your blood. EPA and DHA are types of omega-3 essential fatty acids that are important for the formation of cell membranes as well as cardiovascular, brain and eye health. A higher omega-3 index is thought to be protective against cardiovascular disease.

What is Omega-6: Omega-3 Ratio?

Omega-6 and Omega-3 fatty acids are essential to our health. However excess levels of omega-6 fatty acids are thought to promote inflammation within the body which may contribute to cardiovascular disease, autoimmune disease and allergies. In contrast, omega-3 fatty acids are thought to be anti-inflammatory and so reduce the risk of these diseases. The omega-6: omega-3 ratio tells you the relative balance of each of these types of fatty acid in your blood enabling you to make dietary changes to optimise this balance.

What is AA:EPA Ratio?

Arachidonic acid (AA) is the principle omega-6 fatty acid. Eicosapentaenoic acid (EPA) is the principle omega-3 fatty acid. Omega-6 fatty acids are thought to be pro-inflammatory, causing inflammation within the body that may contribute to cardiovascular disease, autoimmune disease and allergies.
In contrast, omega-3 fatty acids are thought to be anti-inflammatory and so reduce the risk of these diseases. The AA:EPA ratio helps to determine whether you have the optimal balance of essential fatty acids and so enables you to make dietary changes to improve this balance.

What is the Trans Fat Index?

The Trans Fat Index is a measure of the level of trans fats in your blood. Trans fats are unhealthy fats that are most commonly found in processed foods. High levels of trans fats are a risk factor for cardiovascular disease, so this test allows you to determine whether your diet is increasing your risk of heart disease and stroke.

What are Individual Fatty Acid Levels?

This test checks for the levels of different fatty acids, allowing you to check for fatty acid deficiencies and allowing you to assess whether you are achieving the right balance of fatty acids to optimise cardiovascular and brain health.

    For most biomarkers our usual turnaround time is 24-48 hours, or less, from the time your sample is in our lab. We do not wait for all the results to complete before sending them to you, so you may start receiving results the same day for most cases, or as results become available.

    We are extremely proud of our very short turnaround times and a very efficient laboratory processes. Whilst we accommodate the shortest of time scales, with some results available within hours, for this particular test the usual turnaround time is:

    16 days

Doctor's notes

Hi, I am Dr. Adam Staten and here's my view on this test as a GP and Clinical Director at One Day Tests.

The test identifies the levels of various fatty acids, such as Omega-3 (EPA and DHA), Omega-6, saturated fats, and trans fats.

The balance between these can significantly influence your health and you should consider this test as part of overall health management plan.

A favorable Omega-6 to Omega-3 ratio is associated with reduced inflammation and lower risk of chronic diseases.

Red flag symptoms for the Ultimate Omega 3 and 6 Fatty Acids Blood Test

Please get in touch with your GP if you are experiencing any severe symptoms such as:

  • Skin issues
  • Severe fatigue
  • Heart problems or irregular heartbeats
  • Joint and bone problems

Your Results and Health Dashboard

The results of your Ultimate Omega 3 and 6 Fatty Acids Blood Test will be emailed to you as a secured PDF file, ready for your GP and will also be uploaded to our Health Dashboard area of the website. It’s a unique and powerful tool, powered by our in-house clinical analysis research, to match your biomarkers across test panels and symptoms, as well as provide clinical commentary on all individual biomarkers you tested for.

The health dashboard will also provide "panel level" commentary - a birds eye view of the biomarkers that were tested. This feature allows you to view your test results and clinical commentary, and compare them to previous results, giving you a clear understanding of how your health is progressing.

By using the Health Dashboard, you can identify changes in your biomarkers and make necessary adjustments to your lifestyle. This added value is immense, as it empowers you to monitor your health and make informed decisions about your well-being.

It's free and is available with all of our tests.

Save on continuous monitoring with our subscription plan

The best way to look after your health is to do so regularly. This is easy to do with our continual monitoring plans which give you a discount on future blood tests. You choose the frequency and we'll do the rest.

When you purchase a subscription, we will deliver your home test kits or allow you to book appointments in line with your chosen frequency. You will be able to track your biomarkers over time in our powerful Health Dashboard, where results will be automatically updated for you. There is a minimum of 3 tests with any subscription, after which you can pause/restart/cancel at any time.

Special instructions

Hi, I am Stefania Brown, I am the Laboratory Manager at One Day Tests and here are the lab's special requests for the Ultimate Omega 3 and 6 Fatty Acids Blood Test.

Please fast for 12 hours before your test, consuming only water during this period.

You can take your regular medications as prescribed.

Complete the blood test before taking any omega-3 supplements.

Venepuncture appointment - how to prepare

If you are coming into one of our clinics for the test, this is what you need to do before you arrive:

  • Drink plenty of water about an hour before the appointment.
  • Avoid coffee/tea/energy drinks. Water is good!
  • That’s it! We’ll do the rest.

Home test kit for Ultimate Omega 3 and 6 Fatty Acids Blood Test - how it works

Our blood test kits are simple and convenient.

The most important step in doing a blood test at home is to read the instructions very carefully. The process is very simple, but there are a few pitfalls you need to be aware of - you will save yourself a lot of time if you do it right the first time around!

  • Full printed instructions will arrive with your kit - please read them carefully.
  • Drink plenty before taking the sample and warm your hands up in the sink with warm water for a few minutes. This will make your blood flow much better.
  • Fill the tubes to the top line. We don’t need much blood; filling tubes to the top line is about 15 drops of blood.
  • Post the samples on the same day you take them, before midday, Monday to Thursday. If you post it any other time it might get to us late or be stuck at a sorting office over the weekend. You will then have to do it again.
  • Package the sample in the same box the kit came in. Otherwise, Royal Mail or DPD will reject it. The sample tubes go into a pouch, then into a cardboard box, and then into a return envelope. All of this is provided in the kit: please use it.

We look forward to receiving your sample in our lab!

How the finger prick home test kit for Ultimate Omega 3 and 6 Fatty Acids Blood Test works - from Dr. Adam Staten

Why choose us?

Hello! My name is Dr. Vinesh Mistry, I am part of the GP team here at One Day Tests and here is why you should trust us to test your blood.

We run our own regulated laboratories and our own accredited clinics. We manufacture our own approved home sample collection kits. Your results are looked after by our fantastic clinical governance team and our super-talented biomedical science team.

When you book your test with us - you book directly with the lab. This means accuracy and responsible duty of care, direct access to the provider and extremely fast turnaround times.

Finally, our customer services rock! You can ask the lab a question any time or you can speak to a real human. It's good to WhatsApp, email on or give us a call on 0845 527 07 67.

Frequently Asked Questions

Hi, I am Lana Nela, Lead Nurse, and here is what we are frequently asked about this test.

What does a fatty acids test measure?

A fatty acids test measures the levels of various fatty acids in your blood. This includes different types of omega-3 and omega-6 fatty acids, as well as saturated and trans fats.

The test provides insights into the balance of these fats, which is crucial for assessing health risks related to heart disease, inflammation, and other metabolic conditions.

Why is it important to test for fatty acids in the blood?

Testing for fatty acids is important because it helps identify nutritional imbalances or deficiencies that can affect overall health. Imbalances can lead to chronic diseases, including heart disease, diabetes, and inflammatory conditions.

The test results can guide dietary interventions, such as increasing intake of omega-3 rich foods or reducing saturated and trans fats, to improve health outcomes.

How should I prepare for a fatty acids test?

Preparation requires fasting for 12 hours before the test to ensure accuracy in measuring the fatty acids in your blood.

Only water is allowed during the fasting period.

It is also recommended to avoid taking omega-3 supplements before the test, as they can temporarily alter your fatty acid levels.

If you are on any medication, please check for any special instructions with your prescribing doctor.

Why take this test?

Hi, I am Dr. Marco Esposito and here is why it's important to take this test.

Fatty acid tests, which measure the levels of different types of fats in the blood, are important for several reasons:

Heart Health: Fatty acids, especially Omega-3 and Omega-6, play crucial roles in heart health. High levels of certain fats, like Omega-3 fatty acids, are associated with a lower risk of cardiovascular diseases. Understanding your fatty acid profile can help you manage risk factors for heart disease.

Inflammatory Conditions: Certain fatty acids can influence inflammation in the body. For example, Omega-3 fatty acids have anti-inflammatory properties, which can be beneficial for conditions such as arthritis, while high levels of Omega-6 fatty acids may promote inflammation if not balanced correctly with Omega-3s.

Nutritional Balance: A fatty acid test can reveal imbalances in your diet, showing whether you might be consuming too much or too little of certain types of fats. This can be particularly useful for people following specific diets, like vegan or vegetarian diets, where some essential fatty acids might be less abundant.

Mental Health: Emerging research suggests that Omega-3 fatty acids, particularly EPA and DHA, are important for brain health and may impact mood disorders. Measuring these levels can help in understanding and managing conditions like depression.

Chronic Disease Management: Fatty acids affect the risk and management of various chronic diseases beyond heart conditions, including diabetes and metabolic syndrome. Understanding your fatty acid levels can help tailor dietary strategies to manage these conditions more effectively.

Overall Health Monitoring: Regular testing of fatty acid levels can serve as part of an overall health monitoring strategy. It provides insights into how your diet and lifestyle are affecting your health at a molecular level, potentially guiding adjustments to improve long-term health outcomes.

Is this test right for you?

Hi, I am Sandeep Patel, I am the Laboratory Director at One Day Tests. Here are the symptoms that you may wish to address with this test.

You should consider this test to help you with the following:

  1. Health Goals: If you're focused on improving or monitoring heart health, understanding your Omega-3 levels and Omega 6 ratios is essintial. Omega-3 fatty acids are known to support heart health, reduce inflammation, and improve cholesterol levels.
  2. Dietary Habits: If you follow a diet that is low in fish or seeds (common sources of Omega-3), you might want to check if you're getting enough of these essential fatty acids.

    Bones, Cardiovascular risk worry, Chronic fatigue, Fatigue, Joint pain, Joint swelling, Mental health, Nutrition, Weight gain, and Weight loss

Why blood tests are important.