Carlson EcoSmart Omega-3
vs
Swanson Omega-3 Fish Oil
Supplement Comparison

  • EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): Carlson EcoSmart Omega-3 has 3.3× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 8 nutrients compared
Bar chart: per-serving label amounts and listed forms for Carlson EcoSmart Omega-3 vs Swanson Omega-3 Fish Oil.

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Frequently asked questions

Which active ingredients does Carlson EcoSmart Omega-3 have?

  • Vitamin E appears as d-Alpha Tocopherol
  • Eicosapentaenoic Acid (EPA) appears as Ethyl Esters (EE)
  • Docosahexaenoic Acid (DHA) appears as Ethyl Esters (EE)

Which active ingredients does Swanson Omega-3 Fish Oil have?

  • Vitamin D appears as Cholecalciferol (D3)
  • Eicosapentaenoic Acid (EPA) appears as Natural Triglycerides (TG)
  • Docosahexaenoic Acid (DHA) appears as Natural Triglycerides (TG)

Which categories do Carlson EcoSmart Omega-3 and Swanson Omega-3 Fish Oil belong to?

  • Fish Oil and Omega-3

What health concerns do Carlson EcoSmart Omega-3 and Swanson Omega-3 Fish Oil address?

  • Anti-Inflammatory Support
  • Brain, Focus & Cognitive Function
  • Eye Health
  • Heart & Cardiovascular Health
  • Immune System Support

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

  • Carlson EcoSmart Omega-3 has the highest total amount of EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): 1000 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Carlson EcoSmart Omega-3: 2 softgels
    • Swanson Omega-3 Fish Oil: 1 softgel
  • Vitamin E
    • This supplement has 13.4 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Vitamin D
    • This supplement has 1000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU

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