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Our Promise
60-day Money-Back Guarantee
Made in the UK
Non-GMO & Pesticide-free
No artificial flavours
Naturally Dairy-Free
High Strength
Superior Quality. High Strength. Potent and effective, not full of useless filler oil. Our Omega 3 Fish Oil soft gels deliver a wide array of health benefits by providing you with essential fatty acids your body doesn’t naturally produce on its own.
Supports heart health
Supports heart health Our powerful Omega 3 supplement helps to maintain cardiovascular health.
Improves eye health
Improves eye health Our Omega 3 Fish Oil with DHA and EPA helps to maintain eye health. Prioritising eye health can help maintain normal vision for years to come.
Product Benefits Main Image
Supports healthy pregnancy
Supports healthy pregnancy Our maximum strength soft gels support brain development and maintain healthy eyes in the fetuses and breastfed infants.
Supports brain health
Supports brain health Our Omega 3 Fish Oil with EPA and DHA helps to promote the maintenance of normal cognitive function.
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Maximum potency

Our maximum strength Omega 3 Fish Oil product contains 2000mg of premium quality fish oils per serving, delivering concentrated doses of DHA and EPA, which are clinically proven to help support eye, heart and brain health.

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Sustainably sourced & high level of purity

Our Omega 3 soft gels are made with sustainably sourced fish oils that undergo an essential filtration process, which ensures that our supplement is free of contaminants, including pesticides, heavy metals and GMOs.

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Clinically recommended doses of EPA and DHA

Our Omega 3 Fish Oil delivers clinically recommended doses of 660 mg of EPA and 440 mg of DHA per serving in order to provide you with clear health benefits.

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Testimonials Here’s what our customers have to say Over 812 Satisfied Customers with 5-star reviews. 5 Star Reviews
Excellent all around!
Ratings

“I’ve been taking Theonia products for many months now and this is my third product of theirs. As always, excellent quality products and the customer service is outstanding.”

- Edith R.

Verified Customer
Great product for heart health
Ratings

“I take the Omega 3 Complex for my heart and to help improve cholesterol levels which runs in my family. These are tasteless capsules and do exactly as they are advertised. Feeling great so far.”

- Rob Yankers

Verified Customer
Great product for heart health
Ratings

“Another great product by Theonia! I have been looking for a good fish oil that has the right amount of Epa and Dha snd this one does not disappoint. Worth every penny.”

- Carole W

Verified Customer
Worth every penny!
Ratings

“Very pleased with the soft gels and glad I discovered them. Customer service has been wonderful and very helpful answering all of my questions I’ll be buying again next month.”

- Marilyn

Verified Customer
Omega 3 - Perfect!!
Ratings

“After reading about different omega 3s, I found that most products did not have strong enough formulas… except for Theonia. Looking forward to my results with the Omega-3 Complex”

- Terry R.

Verified Customer
Strong and effective formula
Ratings

“Can’t fault this brand. They have amazing products, delivery is fast and the team is great. Got my Omega 3 Complex this morning and ordered just two days ago. Very excited to try them. ”

- Priya Sailopal

Verified Customer

Order Risk-Free now

"We’re confident you will love your results using our Omega 3 supplement, which is why we’re pleased to offer a RISK-FREE 60-day money-back guarantee on all orders.

If you aren’t 100% satisfied with your results, we will give you a 100% hassle-free refund, no questions asked."

Handwritten-style signature reading ‘Jake A.’

Founder at Theonia

CHOOSE YOUR BUNDLE

Frequently Asked Questions

If you can’t find the answer below, please don’t hesitate to Contact Us.

What ingredients does this product contain?
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List of ingredients: FISH oil [33% eicosapentaenoic acid (EPA) and 22% docosahexaenoic acid (DHA), 0,2 % mixed tocopherols (vitamin E)], humectant (glycerine), water

How many soft gels should I take each day?
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We recommend that you take 2 soft gels of our Omega 3 Fish Oil, preferably at mealtime with water.

Is it vegan and vegetarian friendly?
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As our Omega 3 is sourced from fish, and it is therefore not suitable for vegans or vegetarians. The softgel shell itself is also made of gelatine.

What is the difference between algae-based Omega 3s and fish based Omega 3s?
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While algae-based Omega 3 supplements are vegan and vegetarian-friendly, they do not contain high concentrations of EPA and DHA, which are the fatty acids that deliver all the health benefits you are looking for in a supplement. On the other hand, high quality fish-based Omega 3 supplements are one of the best sources of EPA and DHA and will effectively help to boost your heart, brain and eye health.

How much EPA and DHA is each serving?
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Our supplement contains 2000mg of fish oil per serving, which delivers 660 mg of EPA and 440 mg of DHA.

What is Theonia’s return policy?
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We offer a 60 day money-back guarantee. If you would like to return your order, then please reach out to us and we will issue you a returns number to include with the package being returned along with further instructions.

When will my order be dispatched to me?
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Your products will be dispatched within 1 working day of placing your order.

Don't just take our word for it...

Thousands of people love this product - Find out why!

Riley H.
“I started taking TH Omega-3 primarily for brain support, but after a few weeks, I started noticing REAL, extra benefits. My energy and overall health feel improved since starting this. Best of all, there’s no fishy burp or aftertaste.”
Riley H.
Ryan M.
“My focus at work has sharpened! It’s also super easy to keep up with daily. My eyes feel more comfortable, especially after long screen time, too. It’s a staple in my supplement routine.”
Ryan M.

Essential Fatty Acids for Your Well-being

Experience the Benefits of Our Omega-3 Fish Oil

Embark on a journey to revitalise your heart, eyes, and brain with our potent Omega-3 Fish Oil, carefully formulated with the ideal blend of Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA). Unleash the transformative power of these essential fatty acids and give your body what it needs to thrive.

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“What drew me to Theonia Omega-3 was the promise of EPA and DHA in a easy-to-take capsule. And now I am more centered and I noticed less brain fog. I wasn’t experiencing my usual afternoon slump. A simple way to support brain, heart, joints, and overall wellness.”

Jenna G.
Get Your Omega 3 Fish Oil Today! It's zero-risk with our 60 day satisfaction guarantee. Order Now