Carlson vs Nordic Naturals Fish Oil (2026): Which to Buy
By Erin Rose Updated October 9, 2026 Methodology
Buy Carlson Elite Omega-3 Gems. It costs $0.55 per 1,000 mg of EPA+DHA at list price, against $0.77 for Nordic Naturals Ultimate Omega. Two softgels give 1,400 mg of EPA+DHA, against 1,100 mg. Carlson is on IFOS, a testing list that posts lab reports; Nordic is on no public list.
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Our top fish oil overall is neither. Viva Naturals Triple Strength Omega-3 is on IFOS too and costs $0.30 per 1,000 mg at list price. Check it on Amazon or see the best fish oil.
Price: Carlson costs about 29% less per gram of EPA+DHA
At each brand’s list price (September 29, 2026), Carlson is $49.90 for 130 softgels, or 65 servings of 1,400 mg EPA+DHA: $0.55 per 1,000 mg. Nordic’s 180 soft gels are $75.95, or 90 servings of 1,100 mg: $0.77 per 1,000 mg. On Amazon, Carlson costs less too.
| Product | List price | Amazon |
|---|---|---|
| Carlson Elite Omega-3 Gems | $0.55 | $0.47 |
| Nordic Naturals Ultimate Omega | $0.77 | $0.65 |
Testing: Carlson is on IFOS; Nordic posts its own reports
- Carlson: IFOS. IFOS, run by the testing firm Nutrasource, tests each lot a brand enrolls for the EPA and DHA amount against the label, freshness and contaminants such as PCBs, dioxins and heavy metals. When we read Carlson’s listing on October 9, 2026, it held one lot report. That is a thin record: Sports Research’s listing holds over 100. It is still one more outside check than Nordic has. See the listing.
- Nordic Naturals: its own reports. Nordic’s site says its products are third-party tested and offers a Certificate of Analysis for any product. Those are reports Nordic chooses to post. We found Ultimate Omega on none of the six public lists we search.
What the testing list shows
Carlson on IFOS
How we checked this
We searched each program’s own list for both products on September 29, 2026 and re-read the IFOS listing on October 9, 2026, counting the lots in its report picker. The lists: NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173, USP Verified and IFOS. Our score also counts FDA recalls: Nordic Naturals had one in 2025, for mislabeled Zero Sugar Kids Multivitamin Gummies, not a fish oil (openFDA). Carlson had none in 24 months.
Per serving: two softgels each
Both labels make a serving two softgels. Carlson’s gives 1,400 mg of EPA+DHA; Nordic’s gives 1,100 mg. Both are triglyceride form, the form omega-3 takes in fish, so the form is not a reason to pick one.
| Per serving | Carlson | Nordic Naturals |
|---|---|---|
| Serving | 2 softgels | 2 soft gels |
| EPA | 800 mg | 650 mg |
| DHA | 600 mg | 450 mg |
| EPA + DHA | 1,400 mg | 1,100 mg |
| Total omega-3 on the label | 1,600 mg | 1,280 mg |
| Form | Triglyceride (TG) | Triglyceride (rTG and TG) |
| Testing list | IFOS, 1 lot report | None found; brand posts its own reports |
| Bottle we price | 130 softgels, $49.90 | 180 soft gels, $75.95 |
| Per serving, list price | $0.77 | $0.84 |
| Per 1,000 mg EPA+DHA, list price | $0.55 | $0.77 |
| Our score | 9.0/10 | 6.0/10 |
Who should buy which
- You want the most omega-3 for your moneyCarlson
$0.55 per 1,000 mg at list price, against $0.77.
- You want a product on a public testing listCarlson
On IFOS. Nordic posts its own reports but is on no public list.
- You want a flavored softgel, a liquid or a gummyNordic Naturals
Nordic sells Ultimate Omega in lemon-flavored soft gels, plus liquid and gummy versions. You pay more per gram for it.
- You already eat fish once or twice a weekMaybe neither
The American Heart Association advises 1 to 2 seafood meals a week (Rimm 2018). Fish oil adds most if you rarely eat fish. How much to take: omega-3 dosage guide.
More: best fish oil, third-party tested fish oil, Nordic Naturals vs Sports Research and Sports Research vs Viva Naturals.
Questions
Is Carlson fish oil third party tested?
Yes. IFOS lists Carlson Elite Omega-3 Gems (listing CRLL0014). When we read it on October 9, 2026 it held one lot report. IFOS checks the EPA and DHA amount against the label, freshness and contaminants such as PCBs, dioxins and heavy metals. Carlson is on none of the other lists we search.
Is Nordic Naturals third party tested?
Nordic says so: its site says its products are third-party tested and that a Certificate of Analysis is available for any product. Those are reports Nordic posts itself. We did not find Ultimate Omega on any public testing list we search (NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173, USP Verified and IFOS; searched September 29, 2026).
Which has more omega-3?
Carlson. Two Carlson softgels give 1,400 mg of EPA+DHA (1,600 mg of all omega-3s). Two Nordic soft gels give 1,100 mg (1,280 mg of all omega-3s).
Why does Nordic Naturals cost more?
At list price, Ultimate Omega costs $0.77 per 1,000 mg of EPA+DHA and Carlson $0.55. Nordic’s bottle holds more softgels, but each serving has less omega-3. The extra money buys flavor choices, not a public testing list.
How much omega-3 should I take a day?
Studies of fish oil used about 500 to 4,000 mg of EPA+DHA a day. Two Carlson softgels give 1,400 mg. Talk to your doctor before taking more than about 3,000 mg a day or if you take a blood thinner. Our omega-3 dosage guide covers the numbers.
Sources
- Testing: IFOS listing CRLL0014, Carlson Elite Omega-3 Gems (read October 9, 2026); searches of NSF Certified for Sport, NSF/ANSI 173, Informed Sport, Informed Choice, USP Verified and IFOS for Nordic Naturals Ultimate Omega, September 29, 2026.
- Labels and prices: carlsonlabs.com Elite Omega-3 Gems (800 mg EPA and 600 mg DHA a two-softgel serving) and Amazon listing B081VWWGCZ; Nordic Naturals Ultimate Omega page (form, testing claim, read October 8, 2026) and Amazon listing B002CQU564.
- Recalls: openFDA food enforcement reports for Carlson and Nordic Naturals, read September 29, 2026.
- Rimm EB, et al. Seafood long-chain n-3 polyunsaturated fatty acids and cardiovascular disease: a science advisory from the American Heart Association. Circulation. 2018. PubMed 29773586