LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedCarlson · checked Jul 26, 2026🇺🇸 USPTO wordmark owner · J.R. Carlson Laboratories, Inc. · ILLINOIS, USAPackage says manufactured for: J. R. Carlson Laboratories, Inc. · Arlington Heights, IL 60004 USA
Quick read · Carlson

Carlson - Cod Liver Oil 1,100 mg Omega-3s Plus Vitamins A &…

Checked against public sources on July 26, 2026 · LookCloser does not sell or recommend supplements.

Does the marketing hold up?

EPA + DHA dose is within one studied range. This lines up the amount on the label with the range used in the linked studies.

Is the dose real?Panel read — dose not verified12 ingredients listed; no advertised amount we could confirm against them
What a serving costsNo exact-match price found
Is it tested?Claimed — no lab or certificate found
Who’s behind it?🇺🇸J.R. Carlson Laboratories, Inc.corporation · ILLINOIS, USA
Is it the real thing?No barcode publishedso it can’t be matched against certification, recall or other retailer records
Trouble on record?No recalls found

“Couldn’t verify” means we looked and found no public proof — not a mark against the product. Most supplement claims cannot be independently verified by anyone, so grey is the normal state of this industry.

1◖ partly confirmed1? couldn’t verifyno contradictions · no recalls
Marketing claims, checked

The checks, one by one

The public sources did not settle the marketing promises on this label.

Partly confirmed1

“of omega-3s, including EPA and DHA, which support heart, brain, vision, and joint health. To”

The panel lists 870 mg EPA + DHA per serving (1 Teaspoon (5 mL)). One randomized dose-response trial used 300–1,800 mg/day; omega-3 studies vary widely. This is research context, not a recommendation or safety verdict.

Evidence →

Ingredient research can support context, but it is not a trial of this exact product.

?Couldn’t verify independently1

“Cognitive Health* Joint Support* SUPERIOR PURITY AND POTENCY MOLECULARLY DISTILLED NITROGEN FLUSHED”

No named laboratory or lot-specific certificate was found for this exact product. No exact brand product page was available for a document check. NSF, IFOS, USP, and Informed-Sport were not checked in this record. This is a public-evidence limit, not a finding that testing did not occur.

Evidence →

We looked and found no public proof. That does not count against the product.

Marketing language, not scored

Superior Taste AWARD · SUPERIOR PURITY AND POTENCY

Quick read · 3 useful findings

What is worth knowing.

Headlines first. Open evidence only when you want the source trail.

Checks outIs the label honest?

Every ingredient shows its amount · 12 ingredients listed.

Every ingredient shows its real amount — nothing is hidden in a proprietary blend.

Evidence and sources

The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.

Locked evidence record →Open the full source-linked finding
Checks outWho is behind it?

Registered in NIH's supplement label database (DSLD)

A government label filing makes the listed formula easier to inspect and compare over time.

Evidence and sources

Label #337525 “Kid's Norwegian Cod Liver Oil Natural Lemon Flavor” (Carlson), entered 2025-08-22, with the full Supplement Facts on file. Company on file: Distributor — Carlson Division of J.R. Carlson Laboratories, Inc., Lincolnshire, IL, USA.

Locked evidence record →Open the full source-linked finding
Checks outCan you trust the review pattern?

Reviews rose from 2,321 to 2,456 between March 3 and July 25, 2026 — no sudden jump.

A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.

Evidence and sources

Written reviews rose from 2,321 to 2,456 between March 3 and July 25, 2026. The largest rise inside any single 30-day window was about 113, so the count moved in steps rather than in one burst.

Locked evidence record →Open the full source-linked finding
What remains open 2
  • No FDA recall matched this brand in the current search.
  • Panel amounts still need a clearer source image.

These are evidence gaps, not strikes against the product.

Who owns the brand wordmark?
🇺🇸
J.R. Carlson Laboratories, Inc.Corporation · exact supplement-class mark for CARLSON
Registration7563440
Registered2024-11-12
AssignmentsNo transfers recorded

Filed address
600 W. University Drive, Arlington Heights, ILLINOIS 60074, UNITED STATES

USPTO identifies the public owner or applicant behind this brand wordmark. This does not by itself identify the product manufacturer or prove where the product was made. Open USPTO source ↗

Research behind the findings

Dose and research context

The label amount is shown beside the range used in the linked ingredient studies.

Dose vs research

EPA + DHA

870 mg per serving — within the 300–1800 mg/day used in the linked studies.

Linked ingredient research · label amount, not a recommendation
Background reading

What the research says about these amounts

Not a score. Studies disagree with each other and change over time, so this sits beside the evidence rather than counting toward it — it is here so you can read the sources yourself.

The panel lists 500 mg of omega-3 (EPA + DHA) per serving. Studies we found used 300 mg–1.8 g a day, so this sits inside that range.

0studied 300 mg–1.8 g

Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.

Buying options

Where you can check or buy it

Only the submitted seller page is identity-certain. Other destinations are shown as leads until a shared UPC/GTIN confirms the exact product.

Amazon

Submitted listing
$60.98

Lowest New observed via Keepa on 2026-07-26.

View on Amazon ↗

iHerb

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search iHerb ↗

Target

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search Target ↗

Walmart

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search Walmart ↗

Prices and stock are point-in-time observations. Related pages are never used as product evidence. No affiliate links; LookCloser earns nothing from these sellers.

Want to inspect the evidence?

The full report shows every source, the exact unresolved question, and the documentation that would settle it.

Read / share full evidence →

Record built July 26, 2026. Sources: source listing observed at check time · USPTO Trademark Search · Keepa exact-listing history · NIH / published research · certification and regulator records where available. LookCloser publishes evidence and gaps; it does not advise for or against any supplement. Evidence-based corrections welcome.