10 Best Omega 3 Fish Oil in The UK

Last updated on 09/08/2025

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Wiley's Finest Wild Alaskan Fish Oil Peak EPA - Triple Strength Peak EPA and DHA - 1000mg Omega-3s, SQF-Certified - 60 Softgels (60 Servings)

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Why We Love It

High potency with 1000mg EPA+DHA.
Convenient once a day dosing.
Natural relief for joint flexibility.

Main Highlights

Concentrated EPA for Increased Omega-3s: This fish oil supplement contains 750mg EPA and 250mg DHA for a total of 1000mg of wild-caught Alaskan Pollock omega-3 in just 1 softgel per day
Supports Joint Flexibility: Fish oil omega-3s aid against inflammation to support joint flexibility, heart health, and athletic performance and recovery
Guaranteed Freshness: Our patented distillation process keeps fish oil fresh, delivering the best sensory experience so you can easily support a strong immune system and overall health with our concentrated omega-3s
Wild Caught, Sustainably Sourced Fish Oil Supplement: Marine Stewardship Council-certified to be sustainably and responsibly caught, our fish oil comes from Wild Alaskan Pollock caught in U.S. waters
About Wiley's Finest: Our family’s roots go deep in providing personal, sustainable, and potent supplements; our three-generation family business has been manufacturing since 1981

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.

High Quality Omega 3 Source.
Naturally Sourced, No Additives.
Burpless with Lemon Flavor.

Main Highlights

OMEGA 3 FATTY ACIDS: MAV Fish Oil contains unique essential fats including EPA and DHA known to decrease inflammation and support overall health and wellness.* Our formula contains more EPA and DHA per serving than competing brands.
NATURALLY SOURCED, PREMIUM SERIES: Omega 3 fatty acids are widely considered one of the most crucial supplements you can put in your body.* Our Premium Series Omega-3 Fish Oil is 100% natural and pure with no additives. One serving contains 3600mg of Fish Oil, including 864mg of DHA and 1296mg of EPA per serving.
PURE SEA-HARVESTED PELAGIC FISH OIL: Get all the health benefits of 100% pure Sea-Harvested fish oil. This Fish Oil Supplement supports brain health, healthy joints, mood, skin, hair, and more.*
BURPLESS FORMULA: No fishy aftertaste! Our ultimate Omega Fish Oil supplements are burpless and won't cause stomach upset, so you don’t have to worry about indigestion or an unpleasant aftertaste. Plus, these Omega 3 gel capsules are infused with a refreshing natural lemon flavor!
HIGHLY REFINED: Our natural Omega 3 fish oil is ultra-purified with molecular distillation - one of the few current methods that can filter out heavy metals, PCB's, and other toxins to below detectable limits for human consumption. Fast method. Minimal temperature. No toxins. Bovine-sourced softgel capsules. This process is one of the best Omega 3 innovations.

High Strength Omega 3 6 9 Fish Oil - 1000mg, Norwegian Salmon Oil with EPA, DHA & DPA, No Burping or Aftertaste, Omega 3 Fatty Acids Supplement for Eye, Brain & Heart, Triglyceride Form - 180 Capsules

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Why We Love It

Natural extraction preserves nutrients.
Supports heart, brain function.
Environmentally friendly, cruelty-free brand.

Main Highlights

[ HIGH STRENGTH & OMEGA 3 PURITY ] - Cardio’s omega 3 6 9 triple strength fish oil is sourced from premium Salmon harvested from the cold, deep waters of the Fjords in Norway using sustainable fishing practices. Our high strength fish oil supplement is extracted naturally to produce the unique rich orange colour seen in our softgel capsules, which ensures a complete omega 3 spectrum of essential fatty acids, including EPA, DHA & DPA. This makes our fish oil capsules a superior alternative to krill, anchovy, mussel cod liver oil capsules.
[ NO BURPS OR FISH AFTERTASTE ] - There is no unpleasant fishy aftertaste, burps or reflux with our triple strength omega 3 6 9 fish oil. Cardio’s omega 3 capsules have been formulated to be easy to swallow and gentle on the stomach. Our omega 3 capsules are ideal for everyone, from young adults to senior citizens. Each bottle contains 180 salmon oil softgels, which is a 3-month supply.
[ ESSENTIAL FOR BRAIN, HEART, EYES & MORE ] - Our triple strength capsules are sure to support your overall well-being with essential omega 3 fatty acids - such as EPA & DHA, which contribute to the maintenance of important body functions including healthy function of the heart, brain, eyes and more (EFSA claims). Our super omega 3 fish oil supplement has also been linked to improving blood flow & arterial wall thickness, which is essential for everyone.
[ ASTAXANTHIN FOR SKIN & HAIR HEALTH ] - Cardio’s Norwegian omega 3 fish oil capsules contain Astaxanthin which is a natural antioxidant that is linked to healthier skin, hair growth, reduced wrinkles, maintaining skin moisture, improving endurance and reducing joint pain.
[ NORWEGIAN MADE & LAB-TESTED ] - Our omega 3 salmon oil supplements undergo rigorous lab testing by world renowned ‘Friend of the Sea’ to ensure that our fish oil capsules are free of any pesticides, heavy metals or other unwanted compounds. Furthermore, Cardio’s omega 3 supplements are manufactured in line with GMP standards and do not include any GMOs, gluten, lactose or nuts. Shop with confidence, knowing that our omega 3 fish oil is safe, pure and natural.
[ THE FULLY TRACEABLE STORY BEHIND CARDIO ] - Zero waste, cruelty free, traceable to the source - ‘Hofseth Biocare’ is the parent company of trusted health brand ‘Cardio’, and is one of the largest fish oil producers in the world. Unlike many other companies, we produce our own fish oil sustainably in Norway. This enables us to focus on quality over quantity, ensuring our customers receive only premium and natural omega 3 fish oil.
[ MONEY BACK GUARANTEE ] - We are so confident in the quality of our high strength omega 3 fish oil that a money back guarantee is included in your purchase. If for any reason you are unsatisfied with your purchase, simply contact us and we will make it right.
[ RECOMMENDATION ] - This is a salmon oil food supplement for which we recommend to take 2 Capsules daily with a glass of water.

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 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, 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

Support Heart, Brain & Vision Health: Omega 3 fatty acids are essential for overall well-being. Our Omega 3 fish oil 1000mg softgels contain 180mg of EPA and 120mg of DHA, which contribute to the maintenance of normal heart, brain and vision health.A simple way to add fish oil omega 3 to your daily routine.
Friend of the Sea Certified: Our Omega 3 fish oil capsules are Friend of the Sea certified, ensuring it is responsibly sourced with sustainable fishing practices. Unlike many fish oil capsules, we prioritise both quality and environmental responsibility.
Convenient One-A-Day Formula: Each daily serving of just one softgel provides a full 1000mg of omega 3 fish oil, making it an easy addition to your supplement routine. With 360 softgels per bottle, this pack offers a 12-month supply of omega 3 capsules.
GMO Free Formula: Our omega 3 fish oil capsules are made with non-GMO ingredients and are gluten-free, dairy-free, nut-free, wheat-free, shellfish-free, soya-free, and egg-free. Each softgel contains gelatine derived from beef and/or pork, ensuring a high-quality source of omega 3 1000mg.
Trusted For Over 25 Years: For over 25 years, Zipvit has been a trusted name in health and wellness. We are committed to quality, transparency, and affordable pricing. Trusted by millions, we support your health journey every step of the way.

Omega 3 Capsules High Strength Fish Oil | 3000mg | 240 Count | Wild-Caught 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 EPA (Eicosapentaenoic Acid) and 288mg DHA (Docosahexaenoic Acid) per daily serving.
FATTY ACID RICH: Omega-3 oils are a natural source of essential fatty acids, including EPA and DHA, which the body cannot produce on its own.
WHY TAKE OMEGA 3?: Our high-quality Omega-3 Oil offers a convenient way to support your daily intake of these important fatty acids - especially for those who may not regularly consume oily fish or plant-based sources.
EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency, offering the perfect formula for adult men and women.
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, EPA 660mg DHA 440mg per Daily Serving. 120 Capsules (2 Months Supply). Supports Heart, Brain Function and Eye Health. 2 Capsules Per Serving

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Why We Love It

High potency for maximum benefits.
Two months of consistent supply.
Brand's strong community commitment.

Main Highlights

HIGH-STRENGTH OMEGA-3: Get a powerful 2000mg of Omega-3 per serving with our Super Strength Fish Oil, including 660mg of EPA and 440mg of DHA. Our jar comes with 120 easy-to-swallow capsules, making it simple to meet your Omega-3 needs to support your health and well-being.
FEEL THE HEALTH BENEFITS: Our Omega-3 capsules are loaded with EPA and DHA to support your overall well-being. EPA helps maintain blood pressure and supports heart health, while DHA is essential for brain function and eye health.
PURE & NATURAL: Our Super Strength Omega 3 is responsibly sourced and carefully purified to provide high-quality Omega-3 in every capsule. Enjoy the benefits without any fishy taste or smell, making it a convenient addition to your daily routine.
TRUSTED FOR 25 YEARS: For 25 years, Zipvit has been a trusted name in health and wellness. We are committed to quality, transparency, and affordable pricing. Trusted by millions, we support your health journey every step of the way.

Seven Seas Cod Liver Oil One-A-Day Omega-3 Fish Oil and Vitamin D, 120 Capsules, 4 Months Supply

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Why We Love It

Enhanced absorption for health support.
Trusted by consumers nationwide.
Quality assured, responsibly sourced.

Main Highlights

SUPPORTS BRAIN2 and BODY1-4: Cod Liver Oil is a rich source of both Omega-3 and Vitamin D. Omega-3 essential for bodies, but they can’t produce it from scratch
RICH IN 2 KEY NUTRIENTS: Omega-3 and Vitamin D
OMEGA-3 SCIENTIFIC EXPERTS SINCE 1935: Premium Omega-35 to help support a healthy heart1, brain2 and eyes3. Seven Seas the UK’s No.1 Omega-3 brand*
HOW TO USE: Just take 1 capsule a day with a cold drink during a meal
CONTENTS: 1xSeven Seas Cod Liver Oil One-A-Day Omega-3 Fish Oil and Vitamin D, 120 Capsules, 4 months Supply

8.9

Excellent

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We scanned 1859 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 Wiley's Finest, Nu U Nutrition, MAV NUTRITION, Hofseth Biocare, Nutravita, WeightWorld, Zipvit, Horbäach, Seven Seas, 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 9296 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 Wiley's Finest Wild Alaskan Fish Oil Peak EPA - Triple Strength Peak EPA and DHA - 1000mg Omega-3s, SQF-Certified - 60 Softgels (60 Servings). We love many things about this product by Wiley's Finest. What sets it apart from the competition is High potency with 1000mg EPA+DHA. , Convenient once a day dosing. , Natural relief for joint flexibility.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 by Nu U 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 20% 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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Omega 3 Capsules High Strength 2000mg with 660mg of EPA and 440mg of DHA | 120 Count (2 Months Supply) | Natural Source of Omega 3 Fish Oil | by Horbaach

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We scanned 1859 products

We concluded that: