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WeightWorldFatty acids

Omega-3 Fish Oil Softgels

£25.99 for 400 servings at WeightWorld. That works out at 22p per 1 g EPA + DHA, which ranks it 15th of the 145 omega-3 fish oil products we price across 18 UK retailers.

What it really costs, per 1 g EPA + DHA22pOne 1 g dose is our comparison unit for omega-3. It is not a recommendation.
A day22p
A week£1.52
A month£6.50
A year£79.05

At one 1 g dose a day, this pack lasts 4 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • In the pack: 400 × 300 mg = 120 g
  • £25.99 ÷ 120 g × 1 g = 21.7p per 1 g EPA + DHA
  • A week 21.7p × 7 = £1.52 · a month × 30 = £6.50 · a year × 365 = £79.05
  • Amount per serving: added up from the components stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

Cheaper omega-3 fish oil

All 145, ranked →
ZipVitOmega 3 Fish Oils 1000mgZipVit · 300 mg a serving · £5.55 a month · a pack lasts 4 months19p£19.99View at ZipVit (opens in a new tab)
Omega-3 Fish OilHealf · 600 mg a serving · £5.94 a month · a pack lasts 5 months20p£29.69View at Healf (opens in a new tab)
VitaBrightOmega 3 CapsulesVitaBright · 550 mg a serving · £6.06 a month · a pack lasts 1.4 years20p£99.99View at VitaBright (opens in a new tab)
Omega 3 Capsules 1,000mgSimply Supplements · 900 mg a serving · £6.11 a month · a pack lasts 54 days20p£10.99View at Simply Supplements (opens in a new tab)
VitaBrightOmega 3 CapsulesVitaBright · 550 mg a serving · £6.36 a month · a pack lasts 11 months21p£69.99View at VitaBright (opens in a new tab)
WeightWorldThis productWeightWorld · 300 mg a serving · £6.50 a month · a pack lasts 4 months22pshown above

Switching to the ZipVit pack saves 94p a month at the same 1 g dose.

Ranked purely by price per 1 g EPA + DHA. 32 combination products also contain omega-3.

On the label

Omega-3 · Fish oil
300 mg per serving (added up from the components stated on the label)
Pack
400 servings · 1 softgel(s) a serving
Cost per serving
6p (400 servings in the pack)
More label details
Sold by
WeightWorld
What the listing says
“Servings per Container: 400” · “Serving Size: 1 Softgel” · “Docosahexaenoic Acid ; 120 mg” · “Eicosapentaenoic Acid (EPA) ; 180 mg” · “Fish Oil ; 1000 mg” · “Omega 3 Fatty Acid ; 300 mg”
Ingredients

Gelatin, Glycerine, Purified Water, Vitamin E Advice Do not exceed the recommended daily dose. Food supplements must not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Discontinue use and consult a doctor if any adverse reactions occur. Not intended for use by persons under the age of 18.

From the WeightWorld listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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One 1 g dose is our comparison unit, not a recommendation.

Price history

No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.

Price at every check
£25.99WeightWorld
First recorded
£25.999 Oct
Checked on
1 daysince 9 Oct

Checked once so far, on 9 October 2026.

  1. First checked at WeightWorld: £25.99

Questions about this product

How much does WeightWorld Omega-3 Fish Oil Softgels cost per 1 g EPA + DHA?

22p per 1 g EPA + DHA, from £25.99 for 400 servings at WeightWorld, checked on 9 October 2026.

Is it the cheapest omega-3 fish oil in the UK?

No, it is 15th of 145. High Strength Omega 3 | 2340mg at Myprotein works out at 11p per 1 g EPA + DHA.

How long does one pack last?

4 months at one 1 g dose. The pack holds 120 g in total.

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