10 Best Essential Fatty Acids Oils Nutritional Supplements in The UK

Last updated on 06/09/2025

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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.

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 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.

Pumpkin Seed Oil Capsules, 300 Softgels Cold Pressed Pumpkin Seed Oil Softgels Rich in Essential Omega-3/6 Fatty Acids & Zinc, Phytosterols for Hair Growth Supports Prostate Function

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Why We Love It

Natural cold-pressed extraction method.
Supports youthful, hydrated skin.
Non-GMO, safe for all diets.

Main Highlights

【Double Natural Formula】Our Pumpkin Seed Oil Softgels with double natural formula cold-pressed extraction 1000mg pumpkin seed oil. Scientifically formulated synergistic effect. Highly concentrated cold-pressed ingredients, retains essential fatty acids, phytosterols, and antioxidants
【Cold Pressed Pure Virgin Pumpkin Seed Oil】A gently processed, pumpkin seed oil cold pressed in quality, containing valuable unsaturated fatty acids. Pumpkin seed oil 1000mg daily dosage.
【Pumpkin Seed Oil Supplement Capsules】 Pumpkin Seed Oil is derived from the seeds of the pumpkin plant, celebrated for its versatility benefits. High concentrated cold-pressed technique uses pressure instead of heat, preserving the oil’s potent nutrients and beneficial properties
【Dual-Action Formula】 Pumpkin Seed Oil, the high vitamin E , it helps maintain youthful, hydrated skin by fighting free radicals and supporting collagen production, also support hair growth
【Safe and Pure Formula】 Premium non-GMO pumpkin seed oil supplements, made without Dairy, Gluten, Soy & Tree Nuts

Triple Omega 3 6 9 Capsules 3000mg ALA, LA & OA | 240 Softgels | High Strength EPA & DHA Essential Fatty Acids | Supplement with Fish Oil, Flaxseed & Sunflower Oil | by Horbaach

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Why We Love It

High Potency Omega Supplement.
Perfect Formula for Adults.
Maintains Strict Quality Standards.

Main Highlights

HIGH STRENGTH: Delivering a total of 3000mg Omega 3-6-9 per serving, providing a blend of Eicosapentaenoic (EPA), Docosahexaenoic (DHA), Alpha Linolenic Acid (ALA), Linoleic Acid (LA), & Oleic Acid (OA).
HIGH QUALITY: A combination of fatty acids sourced from Fish Oil, Flaxseed Oil and Sunflower Oil.
WHY OMEGA 3-6-9?: It can be challenging to get a balanced intake of different fatty acids from diet alone. A supplement like this offers a convenient way to include Omega 3, 6, and 9 in your daily routine - especially for those with busy lifestyles or dietary gaps.
LONG-LASTING SUPPLY: Enjoy hassle-free wellness with a 2+ month supply in every bottle - no monthly reorders needed! Designed to meet the wellness needs of both adult men and women, every day.
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.

Triple Omega 3 6 9 Capsules 3000mg ALA, LA & OA | 120 Softgels | High Strength EPA & DHA Essential Fatty Acids | Supplement with Fish Oil, Flaxseed & Sunflower Oil | by Horbaach

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Why We Love It

High strength Omega supplement.
Sourced and purified quality.
Backed by professional formulation.

Main Highlights

HIGH STRENGTH: Delivering a total of 3000mg Omega 3-6-9 per serving, providing a blend of Eicosapentaenoic (EPA), Docosahexaenoic (DHA), Alpha Linolenic Acid (ALA), Linoleic Acid (LA), & Oleic Acid (OA).
HIGH QUALITY: A combination of fatty acids sourced from Fish Oil, Flaxseed Oil and Sunflower Oil.
WHY OMEGA 3-6-9?: It can be challenging to get a balanced intake of different fatty acids from diet alone. A supplement like this offers a convenient way to include Omega 3, 6, and 9 in your daily routine - especially for those with busy lifestyles or dietary gaps.
EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency.
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.

Triple Strength Omega 3 Fish Oil 1200 mg | EPA & DHA | Wild Caught, Sustainably Sourced Omega-3 Fatty Acids | Premium Burpless Omega3s | Best Essential Fatty Acids Softgel Supplements (30 Ct)

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Why We Love It

Supports healthy joints and brain.
Highly refined and potent.
No fishy aftertaste guaranteed.

Main Highlights

FISH OIL TRIPLE STRENGTH: The fatty acids in fish oil support healthy joints, eyes, brain, immune system, and so much more.* This Omega-3 Fish Oil complex provides 1200mg of total fish oil per serving for ultimate support, and every bottle contains a 30-day supply!
POTENT FISH OIL SUPPLEMENTS: Packed with essential fatty acids, MAV Nutrition’s Omega Fish Oil Supplement provides a super concentrated, potent formula. Each serving contains a high 425 mg of EPA and 275 mg of DHA.
OMEGA 3 FISH OIL ULTRA-REFINED: Our fish oil pills are highly refined using the best purification method: molecular distillation. This process increases potency and filters out mercury, heavy metals, PCBs, and other toxins to below detectable limits for human consumption.*
SUSTAINABLE & WILD-CAUGHT: This Non-GMO high EPA fish oil is sourced purely from clean, wild caught fish from Friend of the Sea certified sustainable fisheries. The best fish oil on the market is environmentally friendly!*
NO FISHY AFTERTASTE: This Omega 3 DHA EPA supplement is concentrated in premium burpless citrus-flavored softgels to give you clean, high-quality fish oil DHA with no fishy burps or aftertaste. Try the highest quality Omega Three supplement today!

Plant-based and fish-free option.
Sustainable for the environment.
Supports heart and brain health.

Main Highlights

VEGAN OMEGA 3 SUPPLEMENT: Our Algae Oil Omega 3 supplement contains a high 550mg of essential plant-based Omega-3 fatty acids, providing 450mg vegan DHA and EPA per serving. These easy-to-swallow softgels are carrageenan-free, and each bottle contains 30 servings.
FISH-FREE & ECO-FRIENDLY: Made from sustainably sourced and responsibly grown microalgae, this fish oil alternative reduces overfishing and doesn’t cause fishy burps. Good for you, good for the planet!*
ALGAE-SOURCED DHA & EPA: Derived from microalgae, rich in naturally-occurring Omega 3 fatty acids, our Algae Oil is a potent source of highly-bioavailable vegan DHA and EPA.* Algae is superior to plant based Omega 3 sources like flaxseed oil, which do not contain DHA or EPA.*
FULL-BODY BENEFITS: Omega 3 essential fatty acids play an important role throughout the body, including heart health support, cognitive support, eye health support, and immune support.*
PREMIUM QUALITY: MAV Nutrition’s Algae Omega 3 is formulated Non-GMO, Vegan, Gluten-Free, and manufactured in a GMP certified facility. It is Third-Party Tested to meet the highest possible standards.

8.9

Excellent

We scanned 217 products

We reviewed these offers relevant to the Essential Fatty Acids Oils Nutritional Supplements 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 Igennus Healthcare Nutrition, WeightWorld, Hofseth Biocare, Nu U Nutrition, Tiuedu, Horbäach, MAV 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 Essential Fatty Acids Oils Nutritional Supplements in the market, we considered we took a deep dive into 1086 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 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. We love many things about this product by Igennus Healthcare Nutrition. What sets it apart from the competition is Optimized absorption boosts cellular levels, Concentrated dose in small softgels, Ultra-pure, responsibly sourced oils.
The best value product for most shoppers and where user satisfaction is continuously the highest is Omega 3 Fish Oil | 400 Softgels (1+ Year Supply) | 1 Softgel a Day | EPA & DHA | Alternative to Cod Liver Oil Capsules | 1000mg Omega 3 Fatty Acids Supplement by WeightWorld based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Essential Fatty Acids Oils Nutritional Supplements and the best cost-to-value ratio is Triple Omega 3 6 9 Capsules 3000mg ALA, LA & OA | 120 Softgels | High Strength EPA & DHA Essential Fatty Acids | Supplement with Fish Oil, Flaxseed & Sunflower Oil | by Horbaachat Horbäach with a 15% discount.
Our list of the best Essential Fatty Acids Oils Nutritional Supplements 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 Essential Fatty Acids Oils Nutritional Supplements in The UK

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We scanned 217 products

We concluded that: