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How to read a fish oil supplement label?

By George Thomas. Published 4 October 2026, updated 4 October 2026. Label figures and prices checked on the update date.

The short answer

Read six lines in order: EPA and DHA in milligrams, never the fish oil headline; the serving arithmetic; the form; the claim wording; the testing statement; the dates. Then divide price by days. Five minutes turns any label honest.

  • Line 1EPA and DHA in mg: the only numbers any claim reads
  • The headline trap1000mg fish oil is the whole oil, roughly 300mg of it the pair
  • Line 2per serving times servings: the arithmetic that reprices bottles
  • The final divisionprice over days of supply: the number that ranks the shelf
Futuro Labs Omega 3 Fish Oil, 90 mini softgel bottle

Our brand: the worked example on this page

Futuro Labs Omega 3 Fish Oil

  • 17p a day
  • 90 softgels, 1 softgel daily
  • Lab tested
  • Made in the UK

View on Amazon UK, £14.99 Full label breakdown

The label this page reads line by line: Futuro Labs Omega 3 Fish Oil on Amazon UK, every figure declared, £14.99 for 90 days. The full worked breakdown. The headline trap gets its own page at 1000mg fish oil vs 1000mg omega-3; the family names at EPA, DHA and omega-3.

Lines one to three: the milligrams, the arithmetic, the form

Line one, EPA and DHA as named milligram figures: this is the entire product, because every authorised claim reads these two lines and nothing else, and the label's front-of-pack headline, 1000mg fish oil in the classic case, describes the whole oil of which the pair is typically around 30%, the single most profitable ambiguity in the aisle. A label showing only a fish oil or omega-3 total without member lines has failed the read at line one, the two-line habit this site applies everywhere. Line two, the serving arithmetic: per-serving figures times capsules per serving times servings per pot, worked without mercy, because a 300mg per serving panel meaning per two capsules halves the real strength, and a 60-capsule bottle at two a day is a 30-day supply wearing a 60-day costume. Line three, the form: triglyceride, re-esterified triglyceride or ethyl ester where declared, silence at concentrate strength reading as ethyl ester, standard strength reading as natural triglyceride by manufacturing norm, with the practical consequence, the fatty-meal instruction, applying hardest to the concentrates that need it most.

Lines four to six, and the division that ends the read

Line four, the claim wording: authorised phrases are quiet and conditional, heart function maintained at 250mg of EPA and DHA, the DHA brain and vision claims at 250mg of DHA, and anything louder, joint repair, inflammation fighting, brain boosting, is the label writing cheques the register never signed, a credibility signal about the whole company. Line five, the testing statement: a named third-party arrangement for heavy metals and oxidation beats a generic purity boast, and the strongest version publishes certificates; the contamination page carries the long form. Line six, the dates: a best-before with sensible runway, ideally a batch code, because fish oil is a freshness product and the rancid pages exist for a reason. Then the read closes with a division rather than a line: bottle price over honest days of supply from line two, giving pence per day, and where products differ in strength, pence per 100mg of combined EPA and DHA, the two figures that let a £9 bottle reveal itself as dearer than a £15 one. Six lines and a division: the whole literacy, portable to any shelf in the country.

The six-line label read, run on the worked example
LineWhat to findOn this bottle
1. EPA and DHA in mgBoth members, named180mg EPA + 120mg DHA: 300mg combined
2. Serving arithmeticPer how many capsules; days per pot1 softgel serving; 90 softgels = 90 days
3. FormTG, rTG or EE; silence decodedStandard-strength oil: natural triglyceride
4. Claim wordingQuiet authorised phrases onlyHeart-function territory at 300mg: cleared
5. TestingNamed third-party checksIndependent lab: purity tested
6. DatesBest-before runwayDated on pack, checked at review
The divisionOursPrice over days£14.99 over 90 days: 17p a day

The verdict, and the five-minute habit worth keeping

How to read a fish oil supplement label: milligrams of the pair first and always, then the serving arithmetic, the form, the claim wording, the testing, the dates, and finally the division that turns the shelf into a rankable list, a five-minute habit that defeats every trick the aisle runs, from headline totals to half-strength servings to 30-day bottles in 60-day clothes. The worked example exists to be read this way on purpose: Futuro Labs Omega 3 Fish Oil declares 180mg EPA and 120mg DHA per single-softgel serving, 90 softgels for 90 days, £14.99 at 17p a day, lab-tested, UK made, every line of the six visible without squinting. Read any bottle the same way, and the label stops being marketing and starts being an invoice.

What to check on the label

  • EPA and DHA milligrams are the product: the headline oil total is packaging.
  • Run the serving arithmetic without mercy: per-serving tricks halve real strength.
  • Decode form and silence: concentrate silence reads as ethyl ester.
  • Loud claims are a company-wide credibility signal: authorised phrases are quiet.
  • End with the division: pence per day and per 100mg rank the whole shelf.

Our brand

The worked example: Futuro Labs Omega 3 Fish Oil

Futuro Labs Omega 3 Fish Oil: 1 softgel daily with food, 1000mg fish oil providing 180mg EPA and 120mg DHA (300mg combined), 90 softgels for £14.99, 17p a day, lab-tested purity, UK GMP made. Gelatin shell, so not vegetarian.

Fish oil per softgel
1000mg
EPA / DHA per softgel
180mg / 120mg (300mg combined)
Serving
1 softgel a day
Bottle
90 softgels, 90 days
Price
£14.99 (17p a day)
Softgel
mini softgel, no fishy taste
View on Amazon UK, £14.99 Full label breakdown
Futuro Labs Omega 3 Fish Oil, 90 mini softgel bottle

Questions people also ask

What should I look at first on a fish oil label?

The EPA and DHA lines in milligrams: every authorised claim reads those two numbers, and the front-of-pack fish oil total is mostly not them.

Why does 1000mg fish oil only contain 300mg omega-3?

Because fish oil is a whole oil of which EPA and DHA are typically around 30% at standard strength: the rest is other fatty acids. Concentrates raise the fraction and say so.

How do I compare two bottles at different strengths?

Divide each price by days of honest supply for pence per day, and by total combined EPA and DHA for pence per 100mg: the two figures that make any comparison fair.

What does it mean if no form is stated?

At standard strength, natural triglyceride by manufacturing norm; at concentrate strength, read silence as ethyl ester and apply the fatty-meal rule accordingly.

Are big health claims on the label a good sign?

The opposite: authorised claims are quiet and conditional, so joint-repair and brain-boost language tells you how the company treats rules generally.

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. Commission Regulation (EU) No 536/2013 authorising health claims for DHA and EPA: maintenance of normal blood triglyceride concentrations (2g DHA+EPA/day) and normal blood pressure (3g DHA+EPA/day), with a supplemental limit note of 5g/day. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32013R0536
  5. GOED Voluntary Monograph: the omega-3 industry's quality standard setting limits for heavy metals, dioxins and oxidation (peroxide, anisidine and TOTOX values) in fish oils. https://goedomega3.com