Omega-3 and 6 blood test

Omega-3 and 6 support your brain, heart, and eye health. Test arrives in 1-2 days. Results in 15 working days.

Track your progress with a subscription:

  • See your results change over time with trend charts
  • Make lifestyle changes and see how they improve your health
  • Change what you're testing, pause or cancel anytime


  • Free delivery
  • Test arrives in 2-4 working days

We accept

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How can an omega-3 and 6 blood test help you?

Omega-3 and 6 are essential nutrients for your brain, heart, and eye health. But your body can’t make them on its own — sometimes, you might need an omega-3 supplement if you can’t get enough from your diet.

A home blood test helps you understand if you’re getting enough nutrients to support your health. Your results include information on improving your omega-3 and 6 levels with lifestyle advice recommended by our GPs in a detailed report.

Omega-3 and 6 take longer to analyse than other health markers, so your results might take up to 15 working days. We’ll let you know when they’re ready to view.

What's included in this blood test?

Omega-3 & 6

Learn more

Omega-3 is a fatty acid that plays a vital role in your heart, brain, and eye health. It’s also essential for promoting a healthy brain and eye development in an unborn baby if you’re pregnant. Omega-6 fatty acids support various functions in your body, like cell membrane structure, growth and repair, maintaining healthy cholesterol levels, and improving insulin sensitivity.

Collection method

Your test kit contains everything you need to collect your sample at home. Our instructions will guide you through it.

How it works

Thriva kit

Do your blood test

Your kit arrives in 1-2 days. Find out how to collect your sample at home by following our easy instructions.

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Get results in 15 days

Free post your sample to our lab and get your results in 15 days. Access your GP-reviewed report in your results dashboard.

Blood test results trend on laptop

Support your nutrient levels

Our doctors give you evidence-based tips to help you improve or maintain your omega-3 and 6 levels. And you can access articles, podcasts, and recipes.

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Data protection

Your data is in safe hands. We use the latest encryption technologies and take our Data Protection obligations seriously.


What's included in your home testing kit?

Your Thriva test kit includes:

- collection tube(s)

- plaster x 2

- return form x 1

- alcohol swab x 1

- lancet x 3

- prepaid envelope x 1

- cleansing wipe x 1

- collection tube label(s)

- protective plastic case x 1


How to collect your sample at home

Learn how to collect your finger-prick blood sample at home by following our instructions. You can access these on the app too. It takes around 30 minutes to complete the process at home.


Will a GP write your report?

Our doctors review your blood test results and upload a detailed report to your account dashboard. They also give you advice to help support your health or manage an existing condition.


How long does it take to get your results?

It might take up to 10 working days to get your results. This is because omega-3 and 6 take longer for our labs to analyse than other health markers. Once your blood test results are ready, our NHS-registered doctors will upload your GP report to your account dashboard.


How do you know your results are ready?

We’ll email or text you to let you know your blood samples have been received, processed, and are ready to view on your results dashboard.