10 Best Omega 3 Supplemented in The UK

Last updated on 22/06/2025

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Omega 3 2200mg & Vitamin D3 2000IU - 250 Softgel Capsules - 720mg EPA & 480mg DHA per Serving - Alternative to Cod Liver Oil Capsules - High Strength 1100mg Fish Oil - Made in The UK - Nu U Nutrition

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Why We Love It

Double strength Omega 3 supply.
Exceptional quality purified Omega 3.
Over 4 months full supply.

Main Highlights

✔ 𝗗𝗢𝗨𝗕𝗟𝗘 𝗦𝗧𝗥𝗘𝗡𝗚𝗧𝗛 - Our Mega Strength Omega 3 is more than TWICE the strength of most Omega 3 supplements. You receive 2200mg of premium fish oil per serving PLUS 2000IU of Vitamin D3 and a whopping 720mg of EPA and 480mg of DHA. Some Omega 3 supplements offer headline grabbing Fish Oil numbers of 1000mg per softgel however their EPA and DHA figures are low, EPA and DHA provides the health benefits, so it’s essential you check these nutrient levels.
✔ 𝗘𝗫𝗖𝗘𝗣𝗧𝗜𝗢𝗡𝗔𝗟 𝗤𝗨𝗔𝗟𝗜𝗧𝗬 𝗣𝗨𝗥𝗜𝗙𝗜𝗘𝗗 𝗢𝗠𝗘𝗚𝗔 𝟑 - We utilise 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. Our softgels are easy to swallow and do not have unwanted side effects that inferior Omega 3 products cause such as burping, reflux or upset stomach.
✔ 𝗢𝗩𝗘𝗥 𝟒 𝗠𝗢𝗡𝗧𝗛 𝗦𝗨𝗣𝗣𝗟𝗬 - With 250 Softgels per pack you benefit from over 4 months supply. This is MORE than other brands that offer 2000mg Omega 3 (although their EPA and DHA levels are lower). We are offering a more potent supplement with added Vitamin D3 2000IU PLUS more capsules (not tablets) per bottle.
✔ 𝗪𝗜𝗟𝗗 𝗖𝗔𝗨𝗚𝗛𝗧 𝗙𝗜𝗦𝗛 - Nu U Nutrition Mega Strength Omega 3 is sustainably sourced, 𝐆𝐌𝐎-𝐟𝐫𝐞𝐞 and doesn't contain gluten, lactose or nuts. Most of us don't get enough of the Essential Fatty Acids EPA and DHA through our diets. Our fish oil softgels offer a convenient source of premium quality Omega 3 rich in EPA and DHA, these essential nutrients contribute to the normal function of the heart, while DHA supports normal vision and brain function.
✔ 𝗪𝗘 𝗖𝗔𝗥𝗘 - At Nu U Nutrition we are dedicated to not only providing you with premium nutritional supplements derived from the purest sourced ingredients, but we are also committed to providing YOU, our 3 million plus customers with the highest level of customer service possible.

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 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 Supplement 3600 mg | EPA & DHA | Best Source of Omega 3 | Ultimate Brain, Joint, & Eye Health Support for Men & Women | Non GMO Burpless Lemon Softgel Capsules 2000mg Plus (120 Pills)

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Why We Love It

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.

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.

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

Fish Oil Omega 3 Capsules High Strength - 3000mg Triple Potency - Easy to Swallow with No Fishy Aftertaste - 120 Softgels - UK Made Omega 3 Supplements High in DHA & EPA - Pure & Sustainable Fish Oil

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Why We Love It

Boosts heart, vision, brain function.
High strength, easy to swallow.
Supports children's health worldwide.

Main Highlights

ESSENTIAL FOR YOUR BODY – Your body can’t make omega 3 fatty acids, but it uses them every day for critical functions, such as heart, vision and brain function. Getting the right proportion from diet alone can be tricky, which is where high strength, SuperSelf omega 3 fish oil capsules come in.
HIGH STRENGTH OMEGA 3 CAPSULES – Each serving (3 capsules) of SuperSelf Omega 3 supplements contains 3000mg of pure fish oil (1650mg omega 3). Each package contains 120 capsules. Premium quality, the softgels are easy to swallow, have no fishy aftertaste, and do not cause burping or an upset stomach.
HIGH EPA & DHA – Not all omega 3 is made equal. Human bodies find docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) most useful. Unlike most supplements on the market, SuperSelf omega 3 capsules contain a high dose of both EPA (990mg per serving) and DHA (660mg). Sustainably sourced, the fish oil is filtered to remove impurities.
BRITISH MADE, HIGH QUALITY – Scientifically developed and manufactured in the UK, SuperSelf omega 3 fish oil supplement has quality built-in. The products are manufactured to Good Manufacturing Practice standards and tested by independent laboratories for potency and purity. Shop with confidence, knowing that our products are safe.
A BETTER WAY TO SUPPLEMENT – Live your best life, whatever your age, state of health or previous lifestyle. The SuperSelf team create supplements designed to help you live well for longer. A percentage of profits from this purchase will go to Vitamin Angels, reducing preventable diseases in children under the age of five in 70 countries worldwide.

AAVALABS Omega 3 Fish Oil 2000mg per Daily dose (2 softgels) - 1000mg EPA + 500 mg DHA per dose - High Strength Omega 3 Fatty Acids Supplements - Molecularly Distilled - 120 Capsules - 60 Days Supply

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Why We Love It

Supports cognitive and heart health.
Maintains normal vision.
High-quality, safe ingredients used.

Main Highlights

THE BLEND: Our easy-to-swallow Omega 3 fish oil capsules are a quick and easy way to get your essential fatty acids every day. Take two (2) capsules a day (recommended daily dose) to provide your body with 1000 mg EPA + 500 mg DHA.
STAY SHARP: To support cognitive function, we've made sure our Omega 3 capsules high strength contain a healthy amount of DHA. DHA contributes to maintaining normal brain function (the positive effect is achieved with a daily intake of a minimum 250 mg DHA). Focus on the important things in life while our capsules take care of your daily DHA needs.
FOR THE HEART: Thinking about a healthy routine, we may definitely not forget about the health of our hearts. After all, it is the heart that keeps us going! Both EPA and DHA, contribute to the normal function of the heart (The beneficial effect is obtained with a daily intake of a minimum of 250mg of DHA and EPA). Enjoy both Omega-3 fatty acids with our Omega-3 blend.
FOR THE EYES: As if supporting your cognitive function and normal heart function wasn’t enough, the 500 mg of DHA per daily dose also supports normal vision. In a world where we all spend hours in front of screens, we shouldn't neglect our eye health. DHA contributes to the maintenance of normal vision (The beneficial effect is obtained with a daily intake of a minimum of 250mg of DHA).
OUR QUALITY PROMISE: We want you to add a supplement to your health routine that you can rely on 100%. That's why we use only high-quality ingredients for our omega-3 fish oil capsules and distill the oil using a patented purification process. Each batch is tested in an independent laboratory and manufactured under the highest European quality and safety standards. The capsules are gluten & dairy-free, non-GMO and heavy metal-tested.

Incite Nutrition Omega 3 Fish Oil Capsules 2000 mg. 360 Softgels. 6 Month Supply of High Strength Omega 3 Fatty Acids with EPA & DHA. Non-GMO, UK Made, No Fishy Aftertaste

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Why We Love It

Convenient and easy to swallow.
Six-month supply great value.
Supports vision and brain functions.

Main Highlights

High strength formula: Two softgels provide 2000 mg of fish oil, including 580 mg of omega 3 fatty acids (300 mg EPA and 200 mg DHA), with no fishy smell or aftertaste for a smooth daily intake.
Health benefits: DHA and EPA help maintain normal blood pressure, heart function, blood triglyceride levels, and brain performance, keeping you at your best every day.
6 month supply: One bottle contains 360 omega 3 fish oil softgels, offering half a year of worry-free support to help maintain balanced cholesterol levels. Made to GMP standards and non-GMO.
Easy to take: For best results, take two capsules daily with a meal. This supports better absorption and fits seamlessly into your wellness routine, no fuss.
We care about you: Everybody responds differently to dietary supplements. If our omega 3 fish oil capsules aren’t right for you, or you are unsatisfied for any reason, simply contact Incite Nutrition, as we care about our customers’ experience with our supplements.

Igennus Healthcare Nutrition

Igennus Advanced Omega-3 Fish Oil & D3 1000iu, 1-a-Day 60 Servings, IFOS Certified, rTG Triglyceride Form, Fast-Acting, EPA DHA Fatty Acids, Ultra Pure, Natural Lemon Flavour

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Why We Love It

Super concentrated for superior value.
High absorption for optimal effect.
Ultra-pure, responsibly sourced oil.

Main Highlights

SUPER CONCENTRATED - each softgel delivers a high strength dose of EPA & DHA (660 mg) - over twice the concentration of omega 3 provided by standard fish oil capsules that are only 35% concentration, providing superior value in mg per £
HIGH ABSORPTION rTG - by using the most advanced form of omega-3 - re-esterified triglyceride (rTG), absorption is optimised, raising levels of EPA and DHA in cells 3.5x more than standard fish oil
IFOS TESTED, ULTRA PURE WILD FISH OIL – responsibly sourced from sustainable, wild Pacific anchovies, purified to remove environmental toxins. Every batch is independently tested and certified by IFOS for mercury, PCBs and dioxins*
VITAMIN D3 & VITAMIN E - 1000IU vitamin D contributes to the normal functioning of the immune system and vitamin E is included to protect the delicate fats from oxidative damage
NO FISHY TASTE - natural lemon flavour ensures no fishy odour or fishy burps, GMP manufactured in the UK, non GMO, 1-a-day, 2 months' supply

9.3

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We scanned 453 products

We reviewed these offers relevant to the Omega 3 Supplemented 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 Nu U Nutrition, WeightWorld, Nutravita, MAV NUTRITION, Horbäach, Zipvit, SuperSelf, AAVALABS, Incite Nutrition, Igennus Healthcare Nutrition, 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 Supplemented in the market, we considered we took a deep dive into 2266 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 Omega 3 2200mg & Vitamin D3 2000IU - 250 Softgel Capsules - 720mg EPA & 480mg DHA per Serving - Alternative to Cod Liver Oil Capsules - High Strength 1100mg Fish Oil - Made in The UK - Nu U Nutrition. We love many things about this product by Nu U Nutrition. What sets it apart from the competition is Double strength Omega 3 supply, Exceptional quality purified Omega 3, Over 4 months full supply.
The best value product for most shoppers and where user satisfaction is continuously the highest 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 Capsules by WeightWorld based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Omega 3 Supplemented and the best cost-to-value ratio is Igennus Advanced Omega-3 Fish Oil & D3 1000iu, 1-a-Day 60 Servings, IFOS Certified, rTG Triglyceride Form, Fast-Acting, EPA DHA Fatty Acids, Ultra Pure, Natural Lemon Flavourat Igennus Healthcare Nutrition with a 18% discount.
Our list of the best Omega 3 Supplemented 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 Supplemented in The UK

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We scanned 453 products

We concluded that: