Skip to main content
Verified by IngredientMD/Nature Made/Fish Oil 1200mg
VERIFIED BYingredientMD

Fish Oil 1200mg.

Backed by human trialsNature Made, verified Oct 2026Formula verified. Independently reviewed.Independent review. Not commissioned by Nature Made.

Total Omega-3 Fatty Acids is the lead active here, studied most for triglycerides already in the normal range. 19 human studies on Total Omega-3 Fatty Acids back this formula, each one cited. Who it fits: for everyone, adults.

Clinically dosedFull label disclosure
5Active ingredients37Human studies720 mgTotal Omega-3 Fatty Acids
Fish Oil 1200mgVerified by IngredientMD
Nature MadeIngredientMD
The verdict
Backed by human trials
For everyone, adults.
How we verify

The brand submits the formula. We read the supplement facts panel and weigh dose, form and synergy against the clinical evidence. Labs test. IngredientMD verifies. The fee pays for review time, never for the outcome.

The formula
Fish Oil: Blood flowWell studied
Total Omega-3 Fatty Acids: Triglycerides already in the normal rangeKey driver
Omega-3 EPA: Heart and circulationExtensively studied
Omega-3 DHA: Heart and circulationExtensively studied
Omega-3 Other: Heart and circulationExtensively studied

How we read this product

Source: Supplement facts
Supplement Facts panel for Fish Oil 1200mg
  1. 01
    We read the label.

    The panel on the left is the one we evaluated, line by line.

  2. 02
    Every active, separately.

    All 5 actives checked against the clinical evidence: dose, form, and what the research actually shows.

  3. 03
    Then the formula as a whole.

    Doses, ratios, and how the ingredients work together. That assessment is the verdict above: "Backed by human trials".

  4. 04
    Earned, not bought.

    The verdict is public and identical whether or not a brand pays. A formula that does not clear the bar gets nothing.

Read by the engine against 2.1 million data points from clinical trials, PubMed and more than a hundred vetted sources. No individual reviewer is named or implied.

The receipts

37
Human studies
720 mg
Total Omega-3 Fatty Acids
2400 mg
Fish Oil
360 mg
Omega-3 EPA
2.4 g per serving clears the studied 500 mg minimum
Fish Oil, GISSI-HF 2008 + AHA 2019 Guidelines

Cross-checked against 194 documented interactions for these actives.

Read the evidenceFish Oil, the evidence →Total Omega-3 Fatty Acids, the evidence →Omega-3 EPA, the evidence →Omega-3 DHA, the evidence →Omega-3 Other, the evidence →

Inside the formula

Fish Oil
15 studies
Blood flow
Well studied
Total Omega-3 Fatty Acids
19 studies
Triglycerides already in the normal range
Key driver
Omega-3 EPA
Heart and circulation
Extensively studied
Omega-3 DHA
Heart and circulation
Extensively studied
Omega-3 Other
Heart and circulation
Extensively studied
In context

The gap this formula speaks to.

Public health figures the engine matched to this formula's ingredients. Reported by their source, cited and dated, never written by the brand.

This formulaNHANES 2017-2018, published 2021

57.6%

During 2017 to 2018, 57.6% of US adults aged 20 and over reported using a dietary supplement in the past 30 days.

CDC National Center for Health Statistics
The people it speaks toFieldwork December 15 to 17, 2023

Fewer than 1 in 5 US adults

know their cholesterol or blood sugar numbers, according to a national survey fielded for The Ohio State University Wexner Medical Center in December 2023.

SSRS Opinion Panel Omnibus for The Ohio State University Wexner Medical Center, 2023
19 more
Daily use

59 to 66 days

was the median time it took adults to make a new daily health habit automatic across the studies a 2024 review pooled, with individuals ranging from 4 to 335 days.

Systematic review and meta-analysis, 2024
Fish Oil

Meta-analysis, 2023

Across 90 trials in 72,598 people, higher daily DHA and EPA intake lowered blood triglycerides and non-HDL cholesterol in a near-linear way, most clear above about 2 g a day.

Journal of the American Heart Association
Total Omega-3 Fatty Acids

Randomised trial, 2026

A single-blind placebo-controlled trial of omega-3 fatty acids reported on tobacco craving scores, with alpha-linolenic acid named within the omega-3 class rather than tested alone.

Journal of the Association of Physicians of India
Total Omega-3 Fatty Acids

Systematic review, 2026

Trials of omega-3 combined with standard dental cleaning found changes in clinical gum measurements, but as an add-on rather than a standalone effect.

BMC Oral Health
Total Omega-3 Fatty Acids

Meta-analysis, 2026

Pooled trials by formulation, reporting that outcomes differed between high-dose purified eicosapentaenoic acid and mixed EPA plus DHA preparations, which is a formulation-specific comparison and not a general omega-3 statement.

American Journal of Cardiovascular Drugs
Fish Oil

Meta-analysis, 2025

Across seven trials in 439 adults with elevated liver fat, fish oil moved triglycerides (standardised mean difference -0.40), the liver enzyme AST (-0.29), insulin resistance measured by HOMA-IR and waist circumference (-0.31) in a favourable direction, while ALT, GGT, body mass index and LDL cholesterol showed no detectable change.

Frontiers in Nutrition
Omega-3 Other

Randomised trial, 2026

Using natural carbon isotope tracing in adults, this trial measured how long EPA, n-3 DPA and DHA persist in the body and how fast each turns over, giving direct human data on how the fatty acids accumulate with intake.

The American journal of clinical nutrition
Fish Oil

Meta-analysis, 2026

Pooling nine placebo-controlled eccentric-exercise trials in healthy adults, long-chain omega-3 fats reduced delayed onset muscle soreness (Hedges g -0.75) and the muscle-damage marker creatine kinase (-0.40) and improved muscle strength (0.45) and range of motion (0.93) at the point of worst impairment.

Nutrients
Total Omega-3 Fatty Acids

Systematic review, 2022

A large review pooling 28 earlier reviews across 672 trials found moderate to high certainty that omega-3 in pregnancy meant fewer infants with low birth weight and larger head circumference.

Pharmacological Research
Total Omega-3 Fatty Acids

Meta-analysis, 2026

Combined trials of omega-3 during pregnancy found children's later cognitive scores were slightly higher on average, with small effects and variation between studies.

Neuroscience and biobehavioral reviews
Fish Oil

Meta-analysis, 2024

Pooling 15 trials in pregnant women, fish oil capsules showed no detectable difference from placebo in blood sugar or blood lipid measures overall, with a lower HOMA-IR (mean difference -0.60) in the subgroup taking under 200 mg of EPA.

Nutrition Reviews
Omega-3 Other

Randomised trial, 2025

Infants whose mothers took a higher DHA dose during pregnancy differed on measures of visual attention during the first year, indicating a dose-related difference in early visual processing.

Developmental psychobiology

Population figures from public health data. Context for the category, not a statement about any individual and not a claim about this product.

What this formula earned

Every one of these is a fact the engine could ground.

Each line below was derived from this formula's own record at the time of verification. Nothing here was written by the brand, and nothing can be added that the evidence does not carry.

  • Studied in people19 human studies on Total Omega-3 Fatty Acids back this formula, each one cited.
  • A mechanism that is settledHow Fish Oil and Total Omega-3 Fatty Acids work is settled pharmacology.
  • Studied together, not just separatelyOmega-3 EPA and Fish Oil have been studied together, not only separately.
  • Recent work on the recordThe most recent study on this record was published in 2021.
  • Why this formatIt is a softgel, so the active is already dissolved in oil and the shell keeps it away from air and light.
  • The exact form, describedThe label names its forms exactly: Triglyceride (natural), Triglyceride (TG) fish oil, Algal DHA oil (triglyceride). The record says what each one is and what it suits.
  • Full label disclosureEvery ingredient on this label carries its own declared amount.
  • Where it comes from and how it is madeFish Oil is made by animal.
  • Positions this formula already qualifies forThis formula already qualifies for positions beyond the one it is sold into, on the evidence it carries.
  • A position nobody is holding yetSome of those positions are ones almost nobody is selling to yet.
What the trials show

What the trials show about timing.

Time-to-effect windows the engine read from the trial record. Each is a window a named study measured, cited and dated, never written by the brand.

  • Fish Oilabout 4 to 8 weeks in blood plasma, about 6 months in red blood cellsBuilds with daily use

    In the trial record, EPA in blood plasma plateaus after 4 to 8 weeks of daily fish oil, while EPA in the red blood cell membrane rises with a 28 day half-life and reaches a steady state at about 180 days.

    Promising
  • Fish Oilabout eight weeks of daily useBuilds with daily use

    In a randomised single-blind trial, 20 participants took either fish oil supplying 1,296 mg EPA and 864 mg DHA daily or flaxseed oil for eight weeks, with erythrocyte membrane and plasma samples drawn at weeks 0, 4, 8, 10, 12, 14, 16 and 24. On fish oil, erythrocyte membrane EPA rose 300 percent and DHA rose 42 percent by week eight. Levels held until about week 12 and then declined across the post-supplementation sampling, faster in plasma phospholipids than in erythrocyte membranes. Membrane fatty acid content was measured, not a symptom, and this is one trial of 20 people.

    Cao et al., 2006PMID 17053155
    Promising
  • Total Omega-3 Fatty Acidsabout five to seven days of daily useBuilds with daily use

    In a randomised double-blind crossover trial, healthy men and women aged 19 to 34 took capsules supplying about 4 g DHA per day, with plasma sampled at days 0, 1, 3, 7, 14 and 28. DHA concentrations tripled and so did DHA-derived oxylipins. Increases were detectable as early as day 1, and 11 of 12 individual DHA oxylipins plus total DHA oxylipins reached a plateau by days 5 to 7. The plateau came earlier and was reached by more oxylipins in females than in males. Plasma marker chemistry was measured, not a feeling.

    Gabbs et al., 2021PMID 33097936
    Promising

Windows measured in the cited trials. Context for how the active behaves over time, not a statement about any individual and not a claim about this product.

General timing

How each ingredient usually behaves over time.

Three ingredients, from each one's own page.

  • Fish Oil

    Membrane incorporation takes weeks. An omega-3 index blood test starts moving by about four weeks and settles across three to four months of daily use.

    Its own page, the plain answer on timing

  • Total Omega-3 Fatty AcidsAbout 4 to 12 weeks

    Red cell levels climb over roughly 4 to 12 weeks. It shows up on an omega-3 index panel first, and joint stiffness changes tend to land nearer weeks 8 to 12.

    Its own page, the plain answer on timing

  • Omega-3 EPAWeeks, not days

    Red cell and plasma DHA climb over roughly eight to twelve weeks of daily use, then hold. It reads on an omega-3 index rather than as a sensation.

    Its own page, the plain answer on timing

How each ingredient usually behaves over time, from its own page on IngredientMD. General timing for the ingredient, not a measurement of this product.

Format

Softgel

It is a softgel, so the active is already dissolved in oil and the shell keeps it away from air and light.

Best forFat-soluble actives and oils: vitamin D, vitamin E, omega-3, CoQ10.
Recurring supply suggested

Because the effect builds and holds only with continued daily use, a steady recurring supply is the practical way to keep it going.

Questions shoppers ask

Is Fish Oil 1200mg independently verified?
Yes. IngredientMD reviewed this formula independently and verified it in Oct 2026. The verdict is earned, not bought: brands can't edit or purchase it.
What's in Fish Oil 1200mg?
Fish Oil 1200mg is built on Fish Oil, Total Omega-3 Fatty Acids, Omega-3 EPA, Omega-3 DHA, Omega-3 Other. Each ingredient links to its own evidence page on IngredientMD.
Were ingredient interactions checked?
Yes. The combination was screened against 194 documented interactions for these actives in IngredientMD's interaction database.
Who is IngredientMD?
IngredientMD is an independent supplement-science platform. We analyze ingredients and formulas against clinical research, and we verify products only when they clear our bar. Labs run the tests. We review the results.
Sell a formula this good?

Put an earned verification on your own product page.

Get verified

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This record is not medical advice. Always consult your healthcare provider before starting any supplement regimen.

Independent review by IngredientMD, not commissioned by Nature MadeWork at Nature Made? This verification is yours to claim →