Carlson EcoSmart Omega-3
vs
Douglas Laboratories Selenium + Vitamin E
Supplement Comparison

  • Vitamin E: Douglas Laboratories Selenium + Vitamin E has 20× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 6 nutrients compared
Bar chart: per-serving label amounts and listed forms for Carlson EcoSmart Omega-3 vs Douglas Laboratories Selenium + Vitamin E.

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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 Douglas Laboratories Selenium + Vitamin E have?

  • Vitamin E appears as d-Alpha Tocopherol
  • Selenium

Which categories do Carlson EcoSmart Omega-3 and Douglas Laboratories Selenium + Vitamin E belong to?

  • Fish Oil and Omega-3
  • Antioxidant Complex

What health concerns do Carlson EcoSmart Omega-3 and Douglas Laboratories Selenium + Vitamin E address?

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

Which product has a higher amount of Vitamin E per serving?

  • Douglas Laboratories Selenium + Vitamin E has the highest total amount of Vitamin E: 268 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Carlson EcoSmart Omega-3: 2 softgels
    • Douglas Laboratories Selenium + Vitamin E: 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 E
    • This supplement has 268 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Selenium
    • This supplement has 50 mcg
    • Recommended Dietary Allowance in men: 55 mcg
    • Recommended Dietary Allowance in women: 55 mcg
    • Tolerable Upper Intake Level: 400 mcg

Last updated: February 3, 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