Nordic Naturals Ultimate Omega Junior
vs
21st Century Fish Oil
Supplement Comparison

  • EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): Nordic Naturals Ultimate Omega Junior has 95% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 7 nutrients compared
Bar chart: per-serving label amounts and listed forms for Nordic Naturals Ultimate Omega Junior vs 21st Century Fish Oil.

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Frequently asked questions

Which active ingredients does Nordic Naturals Ultimate Omega Junior have?

  • Eicosapentaenoic Acid (EPA) appears as Re-esterified Triglycerides (rTG)
  • Docosahexaenoic Acid (DHA) appears as Re-esterified Triglycerides (rTG)

Which active ingredients does 21st Century Fish Oil have?

  • EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified)

Which categories do Nordic Naturals Ultimate Omega Junior and 21st Century Fish Oil belong to?

  • Fish Oil and Omega-3
  • Kids Formula

What health concerns do Nordic Naturals Ultimate Omega Junior and 21st Century Fish Oil address?

  • Anti-Inflammatory Support
  • Brain, Focus & Cognitive Function
  • Eye Health
  • General Health
  • Heart & Cardiovascular Health
  • Joint & Bone Health

Which product has a higher amount of EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified) per serving?

  • Nordic Naturals Ultimate Omega Junior has the highest total amount of EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): 585 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Nordic Naturals Ultimate Omega Junior: 2 tablets
    • 21st Century Fish Oil: 1 softgel

Last updated: February 17, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
  • Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team