← Alla produkter

Ultimate Omega-D3 2X

Omega · Softgel · 30 portioner#3 / 36 in Omega
8.6
Overall score · out of 10
8.6
Overall score · out of 10
Dose vs. studies8.9
Transparency9.0
Value7.7
Community7.5
Formulation8.0
Tier 3
Ingredient RCT (matching dose)
The ingredient was tested in an RCT at the same dose this product sells.
Redaktionellt score, paid $0 No affiliate link Tested by independent lab Public analysintyg Sample received: No
How we scored this product Show the full breakdown
Composite How this 8.6 is built. 0.55 × 8.9 + 0.20 × 9.0 + 0.10 × 7.7 + 0.10 × 7.5 + 0.05 × 8.0 = 8.6 out of 10. Säkerhet caps applied after. 8.6
8.6 composite
Dose vs. studies55%8.9
Transparency20%9.0
Value10%7.7
Community10%7.5
Formulation5%8.0

Bevisning gates dose: the evidence grade sets the ceiling, and the dose decides how much of that ceiling the product reaches. Value = inverse of price-per-trial-dose-day. Community = mean sentiment of external reviews. Säkerhet caps applied after weighting.

This score is our editorial judgment, not a scientific standard. We combine published evidence, dose, price, transparency, and consumer signals into one composite: this is our method, not a peer-reviewed clinical rating. A higher score means a product does better on the factors we weight, not that it is medically proven to work.

Read the full method →

Question 1

Does the molecule work?

The science behind each active ingredient, independent of which brand sells it.

The single best-supported longevity supplement most people don't take enough of.

9 landmark RCTs · US: Dietary supplement + Rx (Vascepa/Lovaza) · EU: Food supplement, health claims authorised

Cheap, safe, and correcting a deficiency you probably have.

1 landmark RCT · US: Dietary supplement · EU: Food supplement (upper limit 100 μg/day)
Question 2

Is this bottle good?

The specific product: dose, price, transparency, and what buyers report.

Dose vs research
108% av studiedosen
Meets or exceeds the published effective dose
Cost at trial dose
$1.73/day at trial dose
What one effective daily dose actually costs
Transparency
9.0/10 · Public analysintyg (quality: not assessed)
Independent batch testing confirmed
Consumer signals
No consumer signals collected yet
Operational signal only, never used as clinical evidence
Question 3

What's the catch?

Säkerhet flags, transparency gaps, dosing concerns, and recurring buyer complaints.

Säkerhet signals
Atrial fibrillation signal — omega-3
A metaanalys of RCTs found that high-dose EPA-dominated omega-3 supplementation (≥1 g/day) was associated with a 25% relative increase in atrial fibrillation risk. Risk appears dose-dependent and higher with pure EPA formulations.
Läs mer
Drug interaction risk — omega-3
High doses (2-15 g/day) may increase bleeding time; caution with anticoagulants/antiplatelet drugs.
Läs mer
No major red flags
Public analysintyg, tested by independent lab, dose within range
No safety, transparency, or dose concerns detected at this time.
Redaktionellt verdict

Quick verdict

8.6 / 10
Best for
Full trial dose, Public analysintyg
Avoid if
No major red flags
Full-dose status
Meets trial dose
Pris/month
$56
COA status
Public
Biggest caveat
No significant caveats at this time.
Nearest alternatives

The numbers

Pris
$56
per bottle · 30 portioner
Dose vs. research
Överensstämmer med studier 108%
of published effective dose
$ / day at studied dose
$1.73
what one effective daily dose costs
$ / g active
$0.87
per gram of active substance
Independently checked

Data verification

Pris
$56
Verified n/a
Dose
108% av studiedosen
Verified n/a
COA status
Public
Verified n/a
Bevisning grade
AA
Per-ingredient breakdown
AOmega-3 (EPA/DHA)
AVitamin D3
Verified n/a

All product data is checked against original sources. Prices, doses, and testing status are updated when product pages change. Bevisning grades are reviewed when new human RCTs are published. Read how we verify.

What's inside

Ingredient
Dose in this product
Trial dose
Bevisning
Omega-3 (EPA/DHA)
The single best-supported longevity supplement most people don't take enough of.
2150.0 mg 108% av studiedosen
2000 mg
Vitamin D3
Cheap, safe, and correcting a deficiency you probably have.
0.025 mg 50% av studiedosen
0.05 mg
3.2 /5
Medium confidence
Rated on 4 platforms (4 sources, no structured review counts)
Source diversity: 92%
Examine.comLabdoorRedditTrustpilot
PraiseA third-party roundup citing Labdoor scores lists Nordic Naturals Ultimate OmegaExamine's fish oil page says EPA and DHA reliably lower triglycerides but do not
Last checked: 2026-08-07

Consumer signals

Consumer signals gathered from 6 platforms.

Medium confidence

Consumer sentiment compiled from 4 public sources (Examine.com, Labdoor, Reddit, Trustpilot).

2.5/5 · mixed sentiment

ThemesThe Nordic Naturals corporate Trustpilot page shows a 2.5/5 rating, but from only 9 reviews, so it's a thin sample. The complaints that d...

Compiled from a Trustpilot Nordic Naturals listing located during manual research; not independently re-verified against the live page at build time.

1 threads discussed · mixed sentiment

ThemesA recurring Reddit thread asks whether Nordic Naturals Ultimate Omega is worth the price. Commenters generally like the product quality b...

Compiled from a Reddit r/Supplements listing located during manual research; not independently re-verified against the live page at build time.

positive sentiment

PraiseA third-party roundup citing Labdoor scores lists Nordic Naturals Ultimate Omega D-3 at 73.8 out of 100, a good but not top-tier grade. A...

Compiled from a Labdoor listing located during manual research; not independently re-verified against the live page at build time.

positive sentiment

PraiseExamine's fish oil page says EPA and DHA reliably lower triglycerides but do not appear to reduce cardiovascular events. It also flags co...

Compiled from a Examine.com listing located during manual research; not independently re-verified against the live page at build time.

8,240 reviews · 4.7/5

Praiseno fishy burps, easy to swallowtrusted long-running brand, consistent quality
Complaintsfishy smell/aftertaste in some batchesquality control complaints on some recent orders (clumped or melted softgels)

4 threads discussed · positive sentiment

Themesseen as a top-tier, physician-recommended fish oil brandknown limitation: Nordic Naturals produkter are not IFOS-certified because of the lemon flavoring additiveprice complaints as the line has gotten more expensive

These are consumer sentiment signals. They do not measure whether the product actually works. See our evidence section for that.

Independent external anchors

Public sources on this same product, unrelated to NO1GEVITY. NIH DSLD is the US government's registered label database (shown verbatim). SuppCo.com is a separate, unaffiliated commercial site with no partnership or data-sharing arrangement with us. NO1GEVITY scores are computed independently of both.

Unaffiliated third-party site
SuppCo.com

SuppCo is a separate, unaffiliated supplement-tracking site with no partnership, data-sharing agreement, or business relationship with NO1GEVITY. We are not endorsed by them and they do not endorse us. The two facts below are individually verified against the manufacturer or NSF; the outbound link is provided only so readers can independently cross-check on a third-party site if they want to.

Tested by independent lab, Yes
NIH DSLD registered label
DSLD ID 288746, UPC 7 68990 06105 9
Portionstorlek2 Softgel(s)
Portioner per container30
Supplement Facts panel, verbatim
Calories15 Calorie(s)
Total Fat1.5 Gram(s)2% DV
Vitamin D325 mcg125% DV
Total Omega-3 Fatty Acids1120 mg
Cholesterol5 mg

What others say, with a source hierarchy

We treat external opinion very differently depending on where it comes from. Tier A is our strongest signal. Tier C is background sentiment only. Tier Rejected is what we excluded, listed openly so you can see what we discarded.

These reviews are aggregated from third-party sources, not written by NO1GEVITY. Each entry shows its source, retrieval date, and whether the source has an affiliate or paid relationship. We do not edit reviews to change their meaning. Disclosure policy.

Tier A

Independent deep reviews, lab tests, certificates of analysis

Our strongest external evidence. Long-form independent reviews, physical-product lab work, and third-party certifications.

ConsumerLab.com, Nordic Naturals brand overview
No affiliate relationship Not a paid placement

Independent lab testing supports the brand's general reliability for omega-3 potency and purity, though ConsumerLab's specific published test data covers the brand's flagship Ultimate Omega SKUs rather than confirming this exact D3-combination product line-item.

Finding: ConsumerLab's ongoing independent testing has repeatedly named Nordic Naturals fish-oil produkter among its 'Top Picks' across various testing rounds of its omega-3 supplement category review.
How we use it: Used as brand-level, not product-specific, evidence of independent lab credibility.
International Fish Oil Standards (IFOS) certification program
No affiliate relationship Betald placering

Strong independent purity/potency signal for the base fish-oil concentrate used in this product, though brands pay IFOS for certification (paid but methodologically independent testing model), and the certificate reviewed does not appear to be specific to the D3-added SKU.

Finding: Flavored Ultimate Omega base oil earned IFOS's 5-star (top) rating across oxidation (TOTOX), heavy metals, and EPA/DHA potency testing in the certificate reviewed.
How we use it: Used as directional purity evidence for the shared fish-oil base, with the paid-certification caveat disclosed.
Consumer Reports fish oil supplement test (2012, with correction)
No affiliate relationship Not a paid placement

An older but rigorous independent test found no red flags on potency or contamination, with an explicit methodological caveat about the freshness sub-test rather than a negative freshness finding.

Finding: Nordic Naturals' lemon-flavored Ultimate Omega (1000mg, 180-count SKU, a different portionstorlek than this product) met labeled omega-3 content and passed US Pharmacopeia and EU contaminant standards including the stricter California Prop 65 PCB limit; could not be scored on the outlet's standard spoilage/freshness test because lemon-oil flavoring interfered with that specific assay.
How we use it: Used as a historical, brand-level (not D3-SKU-specific) independent quality data point, with the test-limitation caveat disclosed.

Community threads and aggregate ratings

Additional public mentions we located, kept separate from the deep independent reviews above.

Trustpilot Nordic Naturals · 2.5
mixed

The Nordic Naturals corporate Trustpilot page shows a 2.5/5 rating, but from only 9 reviews, so it's a thin sample. The complaints that do exist concentrate on returns and refunds, not product quality.

Read source → Unverified · we received no payment for this listing
Reddit r/Supplements
mixed

A recurring Reddit thread asks whether Nordic Naturals Ultimate Omega is worth the price. Commenters generally like the product quality but several say the price has become hard to justify compared to competing fish oils.

Read source → Unverified · we received no payment for this listing
Labdoor
positive

A third-party roundup citing Labdoor scores lists Nordic Naturals Ultimate Omega D-3 at 73.8 out of 100, a good but not top-tier grade. A separate Reddit thread notes the base Nordic Naturals fish oil line only scored a C grade on Labdoor despite its reputation as a top brand.

Read source → Unverified · we received no payment for this listing
Examine.com
positive

Examine's fish oil page says EPA and DHA reliably lower triglycerides but do not appear to reduce cardiovascular events. It also flags common mild side effects like fishy burps and stomach upset.

Read source → Unverified · we received no payment for this listing

Vår sammanfattning

Nordic Naturals Ultimate Omega-D3 2X combines the company's flagship high-concentration fish-oil formula (2150 mg total omega-3s, EPA-dominant at 1125:875 mg EPA:DHA) with a modest 1000 IU (25 mcg) dose of vitamin D3 in a single softgel. This is a convenience/bundling product rather than a novel formulation: no clinical trial has tested this exact combination or dose pairing, and the closest analog, the large NIH-funded VITAL trial, used lower omega-3 and higher vitamin D doses delivered as separate capsules, finding no significant reduction in its primär cardiovascular or cancer endpoints, with some secondary benefits in advanced-cancer risk. Ingredient-level meta-analyses generally support modest cardiovascular benefits from omega-3 supplementation, with EPA-dominant formulations outperforming DHA-heavier ones in pooled trial data, a modestly favorable signal for this EPA-leaning product, tempered by a consistently observed increase in atrial fibrillation risk across the omega-3 category. The 1000 IU vitamin D3 dose is adequate as a maintenance dose for most vitamin D-sufficient adults but is likely insufficient to correct a diagnosed deficiency based on published dose-response trials, so buyers with known low vitamin D levels should not assume this product alone will normalize their status. The base fish-oil concentrate has a solid independent-testing pedigree via IFOS certification and ConsumerLab recognition, though this dossier could not locate independent lab data confirming the added vitamin D3's potency in this specific combination SKU.

Bevisning, what actually backs this product

Longevity brands rarely test their exact finished product. We separate what's tested from what's inferred.

Strongest evidence tier
Tier 3Ingredient RCT (matching dose)
4 studies mapped
Tier 3Ingredient RCT (matching dose)
Marine n-3 Fatty Acids and Vitamin D Supplementation and Primär Prevention of Cardiovascular Disease and Cancer (VITAL trial)
Manson JE, Cook NR, Lee IM, et al. · 2018 · New England Tidskrift of Medicine · n=25871 · 1 g/day marine omega-3 (460 mg EPA + 380 mg DHA, roughly one-third this product's EPA+DHA dose) and/or 2000 IU/day vitamin D3 (double this product's D3 dose), each vs. matching placebo · Median 5.3 years
ingredient-levelpeer-reviewed
No statistically significant reduction in the primär composite cardiovascular endpoint (HR 0.92, 95% CI 0.80 to 1.06) or in overall invasive cancer incidence for either the omega-3 or vitamin D arms.
This is the largest and most rigorous RCT testing omega-3 plus vitamin D together, but it used separate capsules for each nutrient (not a single combined softgel), at roughly one-third the EPA+DHA dose and double the D3 dose of this Nordic Naturals product, so it is directionally relevant ingredient-category evidence, not exact-product or exact-dose evidence. A secondary pooled analysis (PMID 31733345) and a fish-intake-modified subgroup analysis for cancer (PMID 33206192, showing vitamin D reduced advanced/metastatic cancer risk by 17%, HR 0.83, more pronounced in normal-BMI participants, HR 0.62) found some secondary benefits not reflected in the primär null result.
Conflicts: Funded by NIH (National Cancer Institute, NHLBI, ODS, NIAMS); Pronova BioPharma/BASF and Pharmavite donated study pills but had no role in study design/analysis
Tier 4Ingredient RCT (different dose)
Vitamin D3 and vitamin D deficiency: dose-response evidence at 1000 to 5000 IU (contextual, see companion Vitamin D3 5000 dossier for full registry)
Multiple (see evidence registry in nordic-naturals_vitamin-d3-5000.json) · 2016 · Various · n=183 · 1000 IU/day, 5000 IU/day, or 50,000 IU/week for 8 weeks · 8 weeks
ingredient-levelpeer-reviewed
1000 IU/day (the dose in this product) achieved 25(OH)D sufficiency (≥20 ng/mL) in only a minority of deficient participants; 5000 IU/day performed substantially better (56% reaching sufficiency).
Cited to give an honest dose-context anchor: this product's 1000 IU D3 dose is a maintenance-level dose adequate for many healthy adults with normal baseline levels, but published correction trials suggest it is likely insufficient to correct a diagnosed vitamin D deficiency on its own, a person who is actually deficient would likely need a higher-dose product (such as this brand's own Vitamin D3 5000 SKU) rather than this combination softgel.
Conflicts: None identified
Tier 5Mechanistic / animal / marketing
Effect of omega-3 fatty acids on cardiovascular outcomes: A systematisk översikt and metaanalys
Khan SU, Lone AN, Khan MS, et al. · 2021 · eClinicalMedicine (Lancet) · n=149051 · Varied across pooled trials (EPA monotherapy and EPA+DHA combination regimens) · Varied across pooled trials
ingredient-levelpeer-reviewed
Omega-3 supplementation was associated with reduced cardiovascular mortality (RR 0.93), non-fatal MI (RR 0.87), coronary heart disease events (RR 0.91), and major adverse cardiovascular events (RR 0.95), but also increased atrial fibrillation risk (RR 1.26); EPA-only regimens showed larger relative risk reductions than combined EPA+DHA regimens.
Ingredient-level meta-analytic evidence, not specific to this product's exact 1125:875 EPA:DHA ratio or its added vitamin D3. Notably found EPA-dominant formulations outperformed EPA+DHA combinations on most endpoints, relevant context since this product is DHA-heavier than some EPA-dominant competitors, and also relevant to the atrial-fibrillation signal that applies across the omega-3 category, not uniquely to this product.
Conflicts: None identified
Tier 5Mechanistic / animal / marketing
Effects of omega-3 fatty acids on coronary revascularization and cardiovascular events: an updated metaanalys
Sanmartin AM, Marenco M, et al. (as summarized in European Tidskrift of Preventive Cardiology) · 2024 · European Tidskrift of Preventive Cardiology · n=134144 · DHA+EPA combination (n=52,498) or EPA alone (n=14,640) vs. placebo/control · 4.5 months to 7.4 years across pooled trials
ingredient-levelpeer-reviewed
Omega-3 supplementation reduced revascularization risk (RR 0.90), MI (RR 0.89), and cardiovascular death (RR 0.92); EPA-alone regimens showed significantly larger risk reductions than EPA+DHA combination regimens across nearly all outcomes.
Reinforces the 2021 Khan et al. finding that EPA-dominant formulations outperform mixed EPA+DHA formulations in trials, this Nordic product is EPA-dominant (1125 mg EPA vs. 875 mg DHA) but still a mixed formulation, not a pure-EPA product like prescription icosapent ethyl (Vascepa), which showed the largest effects in the landmark REDUCE-IT trial (not separately re-verified in this research pass).
Conflicts: Not fully disclosed in available excerpt

Claim check, vendor claims vs. our reading of the evidence

Not medical advice. We list the strongest claims made by the brand and check each against traceable evidence.

Partial support
“Supports heart, brain, immune, and bone health in one softgel”
Each individual ingredient has a genuine, well-documented mechanistic and epidemiological association with these systems (omega-3s with cardiovascular/cognitive health; vitamin D with immune/bone health), but the specific combination and doses in this product have not been tested together in an outcomes trial. The largest relevant RCT (VITAL) used different doses of both nutrients and found no significant reduction in its primär cardiovascular or cancer endpoints, though it recorded some secondary benefits (see evidence_registry). The claim is broadly directionally supported at the ingredient level but overstates what has been demonstrated for this exact formulation and dose.
Supported
“2X the omega-3 concentration of standard fish oil in a smaller number of softgels”
This is a straightforward, verifiable formulation claim: at 2150 mg total omega-3s per 2-softgel serving, this concentrate is roughly double the omega-3 content per softgel of many standard 1000 mg fish-oil capsules, consistent with independently reported label data from GNC and other retailers.
Partial support
“Convenient way to get a full day's vitamin D3 alongside omega-3s”
1000 IU is a reasonable maintenance dose for vitamin D-sufficient adults and is 125% of the US Daily Value, but published deficiency-correction trials indicate 1000 IU/day is often inadequate to correct an existing vitamin D deficiency compared to 5000 IU/day regimens (see evidence_registry, Modi et al. 2016). Consumers who are diagnosed as deficient should not assume this product's D3 dose is sufficient on its own without retesting blood levels.
Partial support
“Highest quality, freshest fish oil available (implied by brand-level freshness/purity marketing)”
The base Ultimate Omega oil has independently verified strong freshness and purity data via IFOS certification and historical Consumer Reports/company-published contaminant testing, but no independent lab data specific to the D3-combination SKU (as opposed to the base oil) was located in this research pass, and 'highest quality available' is an unverifiable superlative relative to every competing brand on the market.

Regelverk status

Rules change often. We record when we last verified each row. See the full regulatory timeline →

What we could not verify

We list this openly. If a claim isn't backed by a source we can trace, we'd rather flag it than repeat it.

  • No published clinical trial exists on this exact combination product (Ultimate Omega fish-oil concentrate plus 1000 IU vitamin D3 in a single softgel) or on this specific dose pairing; all supporting evidence is drawn from separate-ingredient trials (omega-3 alone, vitamin D alone, or the VITAL trial's different-dose combination).
  • No IFOS or other independent third-party analysintyg specific to the D3-added SKU (as distinct from the base, non-D3 Ultimate Omega oil) was located; freshness/purity data cited here applies to the base fish-oil concentrate.
  • The exact current vitamin D3 raw-material source/manufacturer (e.g., whether from lanolin-derived cholecalciferol) is not disclosed on the consumer label beyond 'vitamin D3 (cholecalciferol) in olive oil.'
  • No brand-published information confirms whether batch-specific Certificates of Analysis for this specific SKU are searchable via Nordic's public COA lookup tool at the time of this review, versus only for single-ingredient SKUs.
  • Independent, product-specific Trustpilot or ConsumerLab review data for this exact D3-combination SKU (as opposed to brand-level or base Ultimate Omega data) was not located.
  • Trustpilot aggregator
    4 reviews

    This is a brand-level customer-service profile for nordic-naturals; it does not isolate Ultimate Omega-D3 2X.

    verified 2026-08-07Open source →
  • Reddit r/Supplements community forum
    mixed sentiment

    Community discussion exists, with cost and value being the dominant concern despite some praise for its high omega-3 dose and EPA/DHA balance. No single Reddit thread is treated as a representative product review.

    no direct URLchecked 2026-08-07
Important to know
Omega-3 (EPA/DHA)Ethyl ester (cheaper) absorbs worse than triglyceride form unless taken with fatty meal. Check third-party oxidation testing (TOTOX <10).
Vitamin D3Taking without fat = poor absorption. High-dose D3 without K2 can drive calcium into arteries. D2 form (ergocalciferol) is inferior for raising blood levels.
Vitamin D3High doses (>4000 IU/day) may cause hypercalcemia. Do not exceed upper intake limits without medical supervision.

Redaktionellt notes

The consumer-line equivalent of the practitioner-only ProOmega 2000-D, same 2150 mg omega-3 potency as Ultimate Omega 2X plus 1000 IU vitamin D3 in one softgel serving, priced around $55.95 for 60 count. Source: Anchovy, sardine from Peru, South Pacific (wild-caught) FOS certified. Form: rTG. antioxidant: D-alpha tocopherol + rosemary; capsule: gelatin. Consumer sentiment (mixed): Users describe quality and perceived benefits; price and occasional GI effects are main complaints. Bevisning reviewed: 2026-08-07; refresh due: 2027-02-07.

In plain language

Why this scored this way

This Nordic Naturals Ultimate Omega-D3 2X scores 8.6, making it one of the highest-scoring produkter on the site. It delivers the full 2150.0mg trial dose of Omega-3 (EPA/DHA) with grade A evidence (strong human trial data). Transparency is a clear strength (score: 9.0), with third-party testing and a public analysintyg. At $1.73/day it's among the more expensive options in Omega.

What drives the score up

  • Dose-evidence score of 8.9 reflects good alignment with trial doses.
  • Quality transparency of 9.0: tested by independent lab with a public analysintyg.
  • Omega-3 (EPA/DHA) is dosed at the full research level with grade A evidence (strong human trial data).
  • Vitamin D3 has grade A evidence and is dosed at 50% of the trial dose.
  • Vitamin D3 adds grade A evidence at 50% of the trial dose.

What drags it down

  • At $1.73/day it's on the expensive side.

Why you'd choose it

  • You want Omega-3 (EPA/DHA) from a Nordic Naturals product.
  • You prioritise tested by independent lab produkter with public lab certificates.
  • You want doses that align with published research.

Why you might skip it

  • You want a cheaper option (this is $1.73/day).

Verification layer

Every claim on this page carries a verification stamp. We track how many independent source types confirm each fact, and when we last checked. Bevisning reviewed: 2026-08-07; refresh due: 2027-02-07.

Overall verification

Well-verified on lab quality and sourcing, with broad consumer consensus.

Source cross-validated
Cross-checked · 2 sources
Species and region: Anchovy, sardine from Peru, South Pacific (wild-caught) FOS certified
Friend of the Sea certification confirmed
Batch lab-validated
Lab-validated · 1 source
IFOS batch report confirms EPA/DHA content, TOTOX, and contaminant levels
Repeated consumer theme
Repeated theme · 1 source
Same tolerability, complaint, or praise pattern found across multiple public consumer discussions
Go deeper

Where this sits

Varumärke owners

Spot an error?

If you are the manufacturer or brand owner of Ultimate Omega-D3 2X and believe any data on this page is incorrect (wrong dose, wrong ingredient, wrong price, missing certification, outdated status), you can request a correction.

We review every request, verify it against primär sources, and publish any change with a dated note in the version history above. Corrections from brand owners are treated the same as corrections from anyone else: verified before they move.

Request a correction →
Same shelf

Similar produkter

All Omega →

The next highest-scoring produkter in Omega, same scoring method, same rules.

Same maker

Other produkter from Nordic Naturals

Varumärke profile →