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Shop Omega 3 Fish Oil supplements

Omega-3 fatty acids EPA and DHA contribute to normal heart function and maintenance of normal brain function. GymStack stocks fish oil softgels, algae-based omega-3 for plant-based diets, and high-concentration formulas.

Compare strength per serving, purity standards and value across leading health brands.

Explore related hubs: vitamins, joint support, heart health, multivitamins. See all brands on our brands A–Z page.

UK delivery with free shipping on orders over £75.

18% off

Trained by JP
Oh-Mega Pharma Pro - 180 caps

Sale price £40.99 Regular price £49.99
Unit price£0.23 each

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18% off

Osavi
Omega 3-6-9 Flaxseed Oil - 1000mg - 120 softgels

Sale price £27.99 Regular price £33.99
Unit price£0.23 each

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19% off

Osavi
Omega 3-6-9 Flaxseed Oil - 1000mg - 60 softgels

Sale price £12.99 Regular price £15.99
Unit price£0.22 each

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18% off

Osavi
Super Strong Omega 3 - 500 EPA / 250 DHA - 60 softgels

Sale price £30.99 Regular price £37.99
Unit price£0.52 each

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17% off

Osavi
Norwegian Cod Liver Oil Softgels - 1000mg (Lemon) - 90 softgels

Sale price £19.99 Regular price £23.99
Unit price£0.22 each

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17% off

Nordic Naturals
Ultimate Omega One Daily - 1075mg Lemon - 30 softgels

Sale price £38.99 Regular price £46.99
Unit price£1.30 each

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17% off

Nordic Naturals
Ultimate Omega - 1280mg Lemon - 180 softgels

Sale price £88.99 Regular price £106.99
Unit price£0.49 each

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17% off

Nordic Naturals
Omega-3 Pet - 90 softgels

Sale price £28.99 Regular price £34.99
Unit price£0.32 each

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18% off

Nordic Naturals
Prenatal DHA - 830mg Omega-3 + 400 IU D3 Unflavored - 90 softgels

Sale price £41.99 Regular price £50.99
Unit price£0.47 each

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18% off

Nordic Naturals
Childrens DHA - 530mg Omega-3 Strawberry - 119 ml.

Sale price £22.99 Regular price £27.99
Unit price£193.19 /L

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18% off

Nordic Naturals
Omega-3 Phospholipids - 500mg - 60 softgels

Sale price £55.99 Regular price £67.99
Unit price£0.93 each

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18% off

Nordic Naturals
Childrens DHA Gummies - 600mg - 30 gummies

Sale price £27.99 Regular price £33.99
Unit price£0.93 each

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18% off

Nordic Naturals
Childrens DHA - 530mg Omega-3 Strawberry - 237 ml.

Sale price £45.99 Regular price £55.99
Unit price£194.05 /L

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17% off

Nordic Naturals
Omega-3 - 690mg Lemon (Fish Gelatin) - 60 softgels

Sale price £24.99 Regular price £29.99
Unit price£0.42 each

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18% off

Essensey
Omega 3-6-9 - 90 caps

Sale price £13.99 Regular price £16.99
Unit price£0.16 each

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19% off

Applied Nutrition
Omega 3 - 100 softgels

Sale price £16.99 Regular price £20.99
Unit price£0.17 each

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21% off

Allnutrition
Omega 3-6-9 Strong - 90 caps

Sale price £10.99 Regular price £13.99
Unit price£0.12 each

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22% off

Allnutrition
Omega 3 - K2+D3 - 30 softgels

Sale price £6.99 Regular price £8.99
Unit price£0.23 each

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18% off

Allnutrition
Omega 3 - 90 caps

Sale price £8.99 Regular price £10.99
Unit price£0.10 each

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19% off

Combat Fuel
Combat Fuel Omega 3 Fish Oil

Sale price £16.99 Regular price £20.99

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17% off

Trained By JP
Trained By JP Oh-Mega Pharma Pro 180 Caps

Sale price £34.99 Regular price £41.99
Unit price£0.19 each

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18% off

Trained by JP
Omega 3-6-9 - 180 caps

Sale price £17.99 Regular price £21.99
Unit price£0.10 each

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18% off

NOW Foods
Tri-3D Omega - 90 softgels

Sale price £22.99 Regular price £27.99
Unit price£0.26 each

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19% off

NOW Foods
Omega-3 Mini Gels - 180 softgels

Sale price £21.99 Regular price £26.99
Unit price£0.12 each

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17% off

NOW Foods
Omega-3 Fish Oil - Molecularly Distilled - 200 fish softgels

Sale price £24.99 Regular price £29.99

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20% off

NOW Foods
Omega-3 Fish Oil - Molecularly Distilled - 100 softgels

Sale price £11.99 Regular price £14.99
Unit price£0.12 each

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18% off

NOW Foods
Omega-3 Enteric Coated - 180 softgels

Sale price £30.99 Regular price £37.99
Unit price£0.17 each

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17% off

NOW Foods
DHA-1000 Brain Support - 90 softgels

Sale price £47.99 Regular price £57.99
Unit price£0.53 each

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17% off

Life Extension
Super Omega-3 EPA/DHA with Sesame Lignans & Olive Extract - 240 softgels

Sale price £51.99 Regular price £62.99
Unit price£0.22 each

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17% off

Life Extension
Super Omega-3 Plus - 120 softgels

Sale price £58.99 Regular price £70.99
Unit price£0.49 each

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19% off

Trained by JP
Oh-Mega V - 180 softgels

Sale price £21.99 Regular price £26.99
Unit price£0.12 each

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17% off

Osavi
Super Strong Omega 3 - 500 EPA / 250 DHA - 120 softgels

Sale price £57.99 Regular price £69.99
Unit price£0.48 each

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18% off

NOW Foods
Omega-3 Fish Oil - Molecularly Distilled - 500 softgels

Sale price £50.99 Regular price £61.99
Unit price£0.10 each

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17% off

NOW Foods
Omega 3-6-9 - 1000mg - 100 softgels

Sale price £14.99 Regular price £17.99
Unit price£0.15 each

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17% off

NOW Foods
CoQ10 with Omega-3 - 60mg - 120 softgels

Sale price £37.99 Regular price £45.99
Unit price£0.32 each

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18% off

NOW Foods
Cod Liver Oil - 1000mg Extra Strength - 180 softgels

Sale price £27.99 Regular price £33.99
Unit price£0.16 each

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17% off

Nordic Naturals
Nordic Omega-3 Gummies - 82mg Tangerine Treats - 120 gummies

Sale price £53.99 Regular price £64.99
Unit price£0.45 each

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17% off

Nordic Naturals
EPA Xtra Fish Oil - 1640mg Lemon - 60 softgels

Sale price £56.99 Regular price £68.99
Unit price£0.95 each

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18% off

Nordic Naturals
Algae Omega - 715mg Omega 3 - 120 softgels

Sale price £65.99 Regular price £79.99
Unit price£0.55 each

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19% off

Essensey
Omega 3 - 90 caps

Sale price £16.99 Regular price £20.99
Unit price£0.19 each

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17% off

Animal
Animal Omega 30 Packs

Sale price £52.99 Regular price £63.99
Unit price£1.77 each

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18% off

BioTechUSA
Mega Omega 3 - 180 caps

Sale price £27.99 Regular price £33.99
Unit price£0.16 each

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17% off

BioTechUSA
Omega 3 - 90 caps

Sale price £19.99 Regular price £23.99
Unit price£0.22 each

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18% off

Carlson Labs
Elite Omega-3 Gems - 1600mg Natural Lemon - 90 + 30 softgels

Sale price £60.99 Regular price £73.99
Unit price£2.03 each

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17% off

Carlson Labs
Maximum Omega 2000 - 90 + 30 softgels

Sale price £90.99 Regular price £109.99
Unit price£3.03 each

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17% off

Carlson Labs
Norwegian Salmon Oil Complete - 120 + 60 softgels

Sale price £51.99 Regular price £62.99
Unit price£0.87 each

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17% off

Carlson Labs
Smart Omega-3 - 1000mg Natural Lemon - 90 + 30 softgels

Sale price £44.99 Regular price £53.99
Unit price£1.50 each

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17% off

Carlson Labs
The Very Finest Fish Oil - 700mg Omega-3s - Natural Orange - 120 + 30 softgels

Sale price £42.99 Regular price £51.99
Unit price£1.43 each

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18% off

Carlson Labs
The Very Finest Fish Oil - Natural Lemon - 200 ml.

Sale price £36.99 Regular price £44.99
Unit price£184.95 /L

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18% off

Carlson Labs
Wild Caught Super Omega-3 Gems - 1200mg - 100 + 30 softgels

Sale price £45.99 Regular price £55.99
Unit price£1.53 each

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