What is the best omega-3 supplement that contains both EPA and DHA?

The reassurance, then the reason the question is smarter than it looks

The baseline first: fish oil, cod liver oil, krill and modern algae oils all contain both EPA and DHA as a matter of source biology, so a shopper worried that ordinary products might be missing one of the pair can mostly relax, the standard softgel carrying its 18:12 split of both by nature. But the question earns its page because genuine single-molecule products do exist and do circulate, three families of them. EPA-only and near-EPA concentrates, engineered for the research areas EPA dominates and echoing the purified-EPA prescription products, lawful, deliberate, and missing the DHA half entirely. Older DHA-only algae oils, from the era when algal EPA was hard to produce, still on sale and still DHA-solo. And the perennial imposter, ALA plant capsules, flaxseed and chia oils wearing the omega-3 banner while containing neither marine molecule at all. A buyer who has met any of these three has met the reason to check.

The five-second check, and the purchase it completes

Confirming both takes one glance at the nutrition panel: two named lines, EPA with a milligram figure and DHA with a milligram figure, per capsule or per stated serving, and any product showing both lines contains both molecules, full stop; a panel showing only one named line, or only omega-3 or fish oil totals with no breakdown, has answered the question in the negative or refused to answer it, and either way the walk-away rule applies. From there the purchase is the section's standard three steps, unchanged by the both-requirement because the requirement is the standard: combined EPA and DHA against your target, 250mg-to-300mg for the everyday heart-function claim whose condition explicitly wants the pair's total; honest serving arithmetic; and the pence-per-100mg denominator across whatever passes. The one refinement the both-question adds is for the DHA-claims shopper, whose target of 250mg of DHA alone makes the split matter for once, met by DHA-rich products that, note, still contain both.

The verdict, and the two lines that settle it

What is the best omega-3 supplement that contains both EPA and DHA: any honest marine product whose panel prints both named lines at a combined total meeting your target, which returns the question to the standard decision this section has already equipped you for, with the exceptions table above as the new part worth keeping. The worked example passes the check the way every recommendable product should, visibly: Futuro Labs Omega 3 Fish Oil declares 180mg EPA and 120mg DHA per softgel, both lines named, both milligrams printed, 300mg combined clearing the everyday claim in one capsule, £14.99 for 90 days at 17p, lab-tested, UK made. The best both-containing supplement was hiding in plain sight on most of the shelf; the service this page performs is naming the corners of the shelf where it is not.

What to check on the label

Questions people also ask

Do all fish oil supplements contain both EPA and DHA?

Effectively all genuine fish oils do, at roughly the 18:12 natural split: the products missing one are deliberate single-molecule designs, EPA-only concentrates and older DHA-only algae oils.

How do I check a supplement has both EPA and DHA?

The nutrition panel: two named lines, EPA and DHA, each with a milligram figure per capsule. One line or no breakdown means walk.

Why would anyone sell EPA-only omega-3?

It mirrors the purified-EPA prescription products and the research areas EPA dominates: a lawful niche design, just not the both-containing purchase.

Is a supplement with both better than taking EPA and DHA separately?

Simpler and cheaper, yes: the everyday claim reads the pair combined, and splitting the purchase buys complexity for nothing.

Which both-containing product is actually best?

Whichever declares 300mg-plus combined per serving at the best pence per 100mg with named testing: the standard decision, now with the exceptions dodged.

Sources

1. Futuro Labs Omega 3 Fish Oil listing: 1000mg fish oil per softgel providing 180mg EPA and 120mg DHA, 90 softgels. Amazon UK, accessed 31 August 2026. https://www.amazon.co.uk/dp/B0CP9T3BTN
2. EFSA Panel on Dietetic Products. Scientific opinion on the substantiation of health claims related to EPA and DHA and normal function of the heart (250mg daily condition of use). EFSA Journal 2010;8(10):1796. https://www.efsa.europa.eu/en/efsajournal/pub/1796
3. EFSA Panel on Dietetic Products. Scientific opinion on health claims related to DHA: maintenance of normal brain function and normal vision (250mg DHA daily condition of use). EFSA Journal 2010;8(10):1734. https://www.efsa.europa.eu/en/efsajournal/pub/1734
4. Electronic medicines compendium (emc): Summaries of Product Characteristics for omega-3-acid ethyl esters 1000mg capsules (Omacor and generics) and icosapent ethyl (Vazkepa). https://www.medicines.org.uk/emc/search?q=omega-3-acid+ethyl+esters
5. Scientific Advisory Committee on Nutrition and Committee on Toxicity. Advice on fish consumption: benefits and risks (two portions of fish a week, one oily). TSO, 2004. https://www.gov.uk/government/publications/sacn-advice-on-fish-consumption-benefits-and-risks

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