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78/100
Verified
Six-dimension breakdown
Evidence
82
Formulation
82
Manufacturing
82
Safety
78
Transparency
75
Sustainability
68
Why this scored 78/100
Nordic Naturals Ultimate Omega is one of the most rigorously-benchmarked fish oil products on the US market — 1,280mg total omega-3 per two-softgel serving (650mg EPA + 450mg DHA) in the triglyceride form (not ethyl ester), which absorbs 70% better in the Dyerberg 2010 head-to-head. Third-party tested by IFOS (International Fish Oil Standards) to five-star levels for CoA-verified potency, oxidation (peroxide value + p-anisidine), heavy metals (mercury, lead, cadmium, arsenic), PCBs, and dioxins — publicly posted per lot at ifosprogram.com. Sourced from wild-caught anchovies and sardines. Friend of the Sea certified. Non-GMO Project Verified. Nordic Naturals is a private brand founded 1995 (Watsonville, CA) with in-house R&D. The evidence base for high-dose EPA+DHA on cardiovascular events (REDUCE-IT 2019 icosapent ethyl, though pharmaceutical-grade) and triglycerides (JELIS, meta-analyses of omega-3 supplementation) supports the category. Held out of Elite by wild-fish sourcing (higher heavy-metal risk than algal but well-controlled) and by the 'Aids in Mood' claim in marketing that outruns the mixed antidepressant evidence.
The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.
Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.
How to read the Evidence dimension
80–100: Multiple double-blind RCTs in indexed journals directly testing this product OR the exact ingredients at the exact dose.
60–79: Single double-blind RCT + supporting ingredient literature at the studied dose.
40–59: Open-label trials + ingredient literature; no product-specific double-blind evidence.
20–39: Ingredient literature only; no product-specific trials or trials in predatory venues.
0–19: No credible evidence base or unverifiable claims.
FAQ data has not been generated for this product yet. See the site FAQ for general questions.
Customer reviews
Reviews on other platforms
The Vyvata score measures product integrity against a published rubric, not customer sentiment. Vyvata does not aggregate, republish, or license third-party reviews — the links below open search pages on their respective platforms.
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VSF score
78 / 100
Tier
Verified
Category
Supplements
Subcategory
cardiovascular heart
Last scored
Third-party certifications
None on record at time of scoring
Vendor
NutritionAdvice
Product type
Fish Oil & Omega Fatty Acids
Tags
NutritionAdvice, Shopify Collective
Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.
