10 Best Omega 3 Fish Oil in The UK

Last updated on 22/06/2025

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Best Choice

9.9

Exceptional

Solgar

Solgar Triple Strength Omega 3, Supports Brain and Eyes, Heart Health Friendly, Fish Oil, Brown, 100 Count (Pack of 1)

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Why We Love It

Promotes heart and brain health.
High standard of ingredient purity.
Supports overall body nourishment.

Main Highlights

ESSENTIAL FATTY ACID OMEGA-3 Triple Strength Omega-3 consists of the most important types of Omega-3, EPA (Eicosapentaenoic Acid) and DHA (Docosahexaenoic Acid)
DHA and EPA CONTRIBUTES TO NORMAL Triglyceride levels, Brain function, Function of the heart and Normal vision
HEATHY HEART Triple Strength Omega-3, is Solgar’s highest concentration of the natural Omega-3; the good fat that nourishes the whole body, supporting a healthy heart
NATURAL WELLNESS We believe that cleaner is better, we craft our vitamins and minerals in small batches to help ensure consistency and purity from bottle to bottle
✓GOLD STANDARD All Solgar products meet our industry recognized “Gold Standard” for excellence, made using naturally sourced ingredients and innovating since 1947

Igennus Healthcare Nutrition

Igennus Omega-3 Wild Fish Oil & Astaxanthin, Highest Grade Triglyceride rTG, IFOS Certified Ultra Pure, Omega-3 EPA & DHA Fatty Acids 1000mg, Lemon Flavour, 180 Small Softgels

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Why We Love It

Optimized absorption boosts cellular levels.
Concentrated dose in small softgels.
Ultra-pure, responsibly sourced oils.

Main Highlights

HIGHEST GRADE TRIGLYCERIDE FORM rTG OMEGA-3: stable re-esterified triglyceride (rTG) ensures absorption is optimised, raising levels of EPA and DHA in cells 3.5x more than the same dose in a standard fish oil
CONCENTRATED SMALL SOFTGELS - at twice the concentration of a standard fish oil, omega-3 EPA and DHA make up 70% of the fish oil, achieving a high dose of 1000mg of these active ingredients
ULTRA PURE WILD FISH OIL – responsibly sourced from wild, deep-sea anchovies, sardines & mackerel, purified to remove environmental toxins - tested safe for mercury, PCBs and dioxins
ASTAXANTHIN ANTIOXIDANT - derived from microalgae (also naturally occurring in Krill), 1 mg astaxanthin as well as lutein and zeaxanthin provide a high ORAC value for superior protection against oxidation
NO BOVINE GELATINE OR FISHY BURPS - encapsulated using fish gelatine instead of commonly used bovine gelatine, added natural lemon flavour ensures no fishy burps, GMP manufactured in the UK

Pure, potent & sustainable ingredients.
Balanced EPA & DHA levels.
GMP-certified & non-GMO.

Main Highlights

OMEGA 3 SOFTGELS: Omega-3 fish oil softgels are dietary supplements that contain essential omega-3 fatty acids, primarily EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), usually derived from fish. They are known for their wide functions. Encapsulated in a soft gelatin shell, these supplements offer a convenient way to add omega-3 intake, especially for those who don't consume enough fatty fish.
WHY WEIGHTWORLD'S OMEGA 3 SOFTGELS?: Each soft gel contains 1000 mg of fish oil, delivering 300 mg of omega-3 fatty acids, including 180 mg of EPA and 120 mg of DHA. These softgels are odourless and tasteless, avoiding the typical fishy smell or aftertaste often associated with similar products. With 400 softgels in a single pack, the quantity can extend beyond a year of regular use, making it a long-lasting addition to any routine.
EPA & DHA: DHA contributes to the maintenance of normal brain function and vision. EPA & DHA contribute to the normal function of the heart. DHA and EPA contribute to the maintenance of normal blood pressure. DHA and EPA contribute to the maintenance of normal blood triglyceride levels. DHA contributes to the maintenance of normal brain function (EFSA Claims).
GLUTEN-FREE & NON-GMO: These fish oil Omega 3 softgels have been lab-tested for heavy metals like arsenic, cadmium, lead & mercury. They are also free from gluten, lactose, nuts, artificial colours, or preservatives. WeightWorld Omega 3 supplements suit those with various dietary preferences, like keto, paleo, etc. Please feel free to reach out with any concerns.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

Nordic Supplements High Strength 500ml Omega 3 Fish Oil. Taste Award Winning Lemon Flavoured and Tested

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Why We Love It

Risk free 30-day guarantee.
Omega 3 oil, top purity.
Recommended by health professionals.

Main Highlights

Discover the Nordic Difference: Our Omega 3 Fish Oil is sourced exclusively from the pristine depths of the ocean, harnessing the purest oil of Anchovies, Herring, and Sardines. Through a meticulous process of cold pressing, triple filtration, and molecular distillation, we achieve unparalleled purity and efficacy in our pharmaceutical-grade oil. Each serving delivers an optimal balance of 740-825 EPA and 460-550 DHA, rigorously verified by independent third-party testing for unmatched transparency and trust. With our 500ml bottle offering a 12-week supply, embrace your health and vitality with every drop.
Daily Wellness in a Teaspoon: Nordic Supplements' High-Grade Omega-3 Fish Oil ensures you and your family meet essential Omega-3 needs with just one 5ml serving a day. Support overall function and health, effortlessly.
Uncompromised Quality and Support: At Nordic Supplements, we ensure excellence through in-house and independent third-party testing, affirming our Omega-3's unmatched purity and efficacy. Ideal for everyone, including children and expectant mothers, our formula meets daily Omega-3 needs with just a 5ml teaspoon.
Established 14 years ago as Nordic Oil, we've always prioritised premium Omega 3 fish oil. Now, as Nordic Supplements, our expansion into the UK, and Europe has not shifted our core values. We remain dedicated to quality, accountability, and exceptional customer care, reinforcing our commitment to excellence as we grow.
30 DAY MONEY BACK GUARANTEE - If you're not 100% satisfied with your order, simply return it unopened for 100% no hassle refund. Questions? Our dedicated team is here to assist you every step of the way.

Omega 3 2000mg with 660mg EPA & 440mg DHA per Serving - 240 Softgel Capsules of Sustainably Sourced High Strength Pure Omega 3 Fish Oil - 4 Months Supply - Made in The UK by Nutravita

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Why We Love It

Sourced from pure Peruvian waters.
Supports heart, brain, eye health.
Quality tested, GMP certified.

Main Highlights

✔ WHY NUTRAVITA'S OMEGA 3 FISH OIL? - Our Omega 3 Fish Oil is naturally sourced from the rich waters of the Peruvian Coast. The oils are then distilled for increased purity to deliver the highest levels of contaminant free Omega 3 fatty acids - EPA & DHA, by removing metals, PCBs and other toxins. At 2 capsules per daily serving, our supplement provides maximum strength 660mg of EPA & 440mg of DHA. You are also getting 240 softgels per bottle for a 4 month supply.
✔ WHY OMEGA 3? - Each recommended daily dose of our premium grade Omega 3 Fish Oil supplement delivers high potency Essential Fatty Acids - Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA) which both contribute to maintenance of various body functions, most importantly in the normal function of the heart. DHA, on the other hand, supports the maintenance of normal brain function and normal vision. All claims are substantiated by EFSA (European Food Safety Authority).
✔ CONVENIENT WAY TO TAKE OMEGA 3 - These Essential Fatty Acids play critical roles in maintaining healthy eyes, heart and brain functions but cannot be produced by the body or sufficiently obtained through our diets alone. We offer a convenient way to get the right proportions of these essential fatty acids in easy-to-swallow softgel capsules. Our Omega 3 Fish Oil supplement is made from all-natural, GMO-free ingredients and does not contain gluten, lactose, nuts and nut traces.
✔︎ QUALITY TESTED - Unlike many supplements, we haven't spared any expense on quality. Each ingredient is quality tested before the manufacturing process begins, every batch of our supplement undergoes further rigorous quality testing. We have done our best to provide as much information as possible, but if you do have any questions please reach out to our very helpful customer care team. They will be happy to provide personalised assistance to help this supplement fit into your lifestyle.
✔ WHAT IS THE STORY BEHIND NUTRAVITA? - Nutravita is a recognised and trusted Vitamins & Supplements brand providing thousands of customers across the world since 2014. Our high quality products are manufactured, batch tested and certified in the UK, and safeguarded by the highest manufacturing standards in the world (GMP, BRC). We have a dedicated team of pharmacologists, chemists and research scientists working to source the finest and most beneficial ingredients.

Omega 3 Capsules High Strength Fish Oil | 3000mg | 240 Count | Fatty Acid Supplement Providing 432mg of EPA and 288mg of DHA | by Horbaach

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Why We Love It

High strength Omega-3 support.
Rich in essential fatty acids.
Suitable for all adults.

Main Highlights

HIGH STRENGTH: Delivering 3000mg Fish Oil providing 432mg per daily serving. Each daily dose delivers naturally-occuring Omega-3 Fatty Acids, EPA & DHA for maximum support!
FATTY ACID RICH: Each recommended daily dose of our premium grade Omega 3 Oil supplement delivers high potency Essential Fatty Acids -EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid)
EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency.
SUITABLE FOR: Horbaach Omega 3 softgels contain no artificial colours, flavours, or preservatives. It's the perfect formula for adult men and women at the best value.
PACKAGING MAY VARY: We are in the process of updating our packaging. If the product you receive appears different, please rest assured that the benefits remain the same.

Omega 3 Fish Oil 2000mg - 240 Softgels (4 Months Supply) - 660mg EPA & 440mg DHA - Omega 3 Fatty Acids Supplements - Fish Oil Capsules - Made in The UK - Gluten-Free & Lactose-Free Capsules

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Why We Love It

High strength and purity guaranteed.
No unpleasant aftertaste or burps.
Supports overall body well-being.

Main Highlights

OMEGA 3 2000mg softgels: Looking to include Omega in the daily routine? WeightWorld Omega fish Oil Softgels offer a convenient option. Each serving contains 2000mg of fish oil combined with EPA (Eicosapentaenoic Acid) and DHA (Docosahexaenoic acid) for a well-rounded complex. With 240 easy-to-swallow soft gels per bottle, this formula is for consistent, long-term use. Incorporating Omega fish oil supplements into the routine is a straightforward way.
NO FISHY AFTERTASTE OR BURPS: These Omega fish oil softgels are carefully formulated to provide a pleasant experience with every capsule. Each bottle contains 240 softgels, designed for consistent use over four months. The softgels are easy to consume, have a smooth finish, and offer a clean, neutral taste without any fishy aftertaste or unpleasant burps.
RICH IN EPA & DHA: DHA and EPA contribute to the maintenance of normal blood pressure. DHA and EPA contribute to the maintenance of normal blood triglyceride levels. EPA and DHA contribute to the normal function of the heart. DHA contributes to the maintenance of normal brain function. DHA contributes to the maintenance of normal vision. DHA contributes to the maintenance of normal blood triglyceride levels. (EFSA Claims)
NON-GMO & GLUTEN-FREE: These Omega-3 Fish Oil capsules are made without genetically modified ingredients. They do not contain gluten, lactose, or artificial additives, making them suitable for various dietary preferences. Manufactured following GMP guidelines, each batch follows a consistent process from start to finish, offering a clean and reliable option for regular use.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

Omega 3 Fish Oil 1000mg - 365 Softgel Capsules - High Strength Source of Omega 3 Fatty Acids with 540mg EPA & 360mg DHA per Serving - Alternative to Cod Liver Oil - Made in The UK - Nu U Nutrition

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Why We Love It

High potency and maximum freshness.
Convenient Omega 3 source.
Long-lasting and exceptional quality.

Main Highlights

✔ HIGH STRENGTH OMEGA 3 - Nu U Nutrition’s Omega 3 softgels are packed with essential fatty acids. One premium formulation softgel delivers 1,000mg of Omega 3 fish oil, packed with 180mg of EPA and 120mg of DHA. Our fish oil is made from sustainably caught Anchovies and Pilchards from the waters of Peru which produce higher purity oils compared to other omega 3 supplements.
✔ ESSENTIAL EPA & DHA - Most of us will not get enough of the essential fatty acid through our diets alone. Our odourless fish oil softgels offer a convenient source of premium quality Omega 3 rich in EPA and DHA which contributes to the normal function of the heart and supports normal vision and brain function. Made from all natural, high-grade fish oils, they won’t cause an upset stomach or reflux which is often the case with cheaper quality fish oils.
✔ UP TO 12 MONTH'S FULL SUPPLY - Enjoy incredible value for money with our 365 fish oil softgel capsules pack keeping you replenished with high strength Omega 3 fish oil capsules for up to 12 months (if taking one a day). No need to remember to reorder every month with our 52 week supply. Most of our competitors offer fewer servings and/or less ingredients per container, so why pay more for less?
✔ EXCEPTIONAL QUALITY - We employ a purification process which distills the fish oil multiple times to remove heavy metals and other contaminants. The oil is passed through filters, active carbon and other purification and refining processes to reach its final purity. This ensures exceptional freshness and purity which is tested regularly in accredited third party labs. Our softgel capsules are free of common allergens including dairy, gluten and wheat.
✔ THE NU U NUTRITION STORY - TRUSTED SUPPLIER OF NUTRITIONAL SUPPLEMENTS - Starting as a family business in 2014, we’ve expanded to offer a diverse range of high-quality supplements designed to support different lifestyles. Our mission is to make wellness simple, with premium ingredients that cater to your daily nutritional needs—whether for general health or targeted goals.

Zipvit Omega 3 Fish Oil 1000mg, 360 Softgel Capsules. 12 Months Supply. EPA 180mg DHA 120mg. Supports Heart, Brain Function and Eye Health.

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Why We Love It

Promotes heart, brain health.
Year-long supply guaranteed.
Supports reputable charities.

Main Highlights

360 SOFTGELS OF OMEGA 3 FISH OILS 1000mg: All Zipvit fish oils are sourced from unpolluted sustainable North Atlantic waters and are GMP manufactured. Contains gelatin made from beef and/or pork.
HELPS WITH: Supports Heart & Brain health, normal blood pressure and supports normal vision
BUY WITH CONFIDENCE: Zipvit is an established family owned UK brand, trusted by more than one million customers.
FULL YEARS SUPPLY: Offering unbeatable value for money our 360 Omega 3 Fish Oil capsules keep you stocked with high strength Omega 3 Fish Oil Capsules for up to 12 months!
WE GIVE BACK: We are committed to good causes and charities too! We have donated more than £550,000 since 1999. In May 2021 we donated £20,751 to our local hospice to help fund their vital work supporting patients and their families

Omega 3 Fish Oil 1200mg (480mg EPA/360mg DHA per capsule) High Strength, Ultra Pure, Eco Friendly 60 capsules, 2 months supply. GMP & Friends of The Sea Certification

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Why We Love It

Superior strength for heart health.
Exceptional purity ensures freshness.
Sustainable and ethically sourced.

Main Highlights

&#9989 CLINICAL STRENGTH OMEGA 3 FORMULA: 1,200 mg Omega 3 Fish Oil capsule provides 840mg Omega 3 oils within a single capsule. This is comfortably above the recommended levels for normal function of the heart which are at least 500 mg of EPA/ DHA per day or at least 1000 mg EPA/ DHA for people at higher risk. This makes it a good option for all groups providing a good fish oil for women including during pregnancy and a good fish oil for men.
&#9989 EXCEPTIONAL PURITY: The supplement is created using unique, patented purification processes to ensure that oxidation products and contaminants such as heavy metals and environmental chemicals are significantly lower than the maximum levels set by the GOED Monograph or EU standards for fish oil products. This ensures exceptional freshness and purity that surpasses industry standards.
&#9989 SINGLE CAPSULE PER DAY CONVENIENCE: While many Fish Oils require multiple tablets, Inessa Advanced Omega 3 provides the a dose to allow the recommend daily level in a single capsule.
&#9989 SUSTAINABLY SOURCED: Our fish oil is ethically sourced and environmentally sustainable. Inessa Advanced Omega 3 is from 100% wild anchovies, which produce higher purity fish oils than larger species of fish, and come from sustainably fished and managed fisheries.
&#9989 MANUFACTURED IN THE UK TO PHARMACEUTICAL GMP STANDARDS: Our laboratory, labelling and bottling operations are all UK based and operate at the highest production and preparation standards. Our team includes nutritional practitioners and highly experienced product designers.

8.9

Excellent

We scanned 1796 products

We reviewed these offers relevant to the Omega 3 Fish Oil within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Solgar, Igennus Healthcare Nutrition, WeightWorld, Nordic Supplements, Nutravita, Horbäach, Nu U Nutrition, Zipvit, Inessa, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Omega 3 Fish Oil in the market, we considered we took a deep dive into 8981 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Solgar Triple Strength Omega 3, Supports Brain and Eyes, Heart Health Friendly, Fish Oil, Brown, 100 Count (Pack of 1). We love many things about this product by Solgar. What sets it apart from the competition is Promotes heart and brain health, High standard of ingredient purity, Supports overall body nourishment.
The best value product for most shoppers and where user satisfaction is continuously the highest is Igennus Omega-3 Wild Fish Oil & Astaxanthin, Highest Grade Triglyceride rTG, IFOS Certified Ultra Pure, Omega-3 EPA & DHA Fatty Acids 1000mg, Lemon Flavour, 180 Small Softgels by Igennus Healthcare Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Omega 3 Fish Oil and the best cost-to-value ratio is Omega 3 Fish Oil 2000mg - 240 Softgels (4 Months Supply) - 660mg EPA & 440mg DHA - Omega 3 Fatty Acids Supplements - Fish Oil Capsules - Made in The UK - Gluten-Free & Lactose-Free Capsulesat WeightWorld with a 8% discount.
Our list of the best Omega 3 Fish Oil is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Omega 3 Fish Oil in The UK

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We scanned 1796 products

We concluded that: