Nordic Naturals DHA Xtra
vs
Thera Tears Omega-3 Eye Health
Supplement Comparison

  • Eicosapentaenoic Acid (EPA): Thera Tears Omega-3 Eye Health has 9.8% more
  • Docosahexaenoic Acid (DHA): Nordic Naturals DHA Xtra has 3.2× more
  • EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): Nordic Naturals DHA Xtra has 83% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 11 nutrients compared
Bar chart: per-serving label amounts and listed forms for Nordic Naturals DHA Xtra vs Thera Tears Omega-3 Eye Health.

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Frequently asked questions

Which active ingredients does Nordic Naturals DHA Xtra have?

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

Which active ingredients does Thera Tears Omega-3 Eye Health have?

  • Vitamin E appears as Mixed Tocopherols
  • Vitamin E appears as dl-Alpha Tocopheryl Acetate
  • Eicosapentaenoic Acid (EPA) appears as Unspecified
  • Docosahexaenoic Acid (DHA) appears as Unspecified
  • Alpha-Linolenic Acid (ALA)
  • Flax Seed Oil

Which categories do Nordic Naturals DHA Xtra and Thera Tears Omega-3 Eye Health belong to?

  • Fish Oil and Omega-3

What health concerns do Nordic Naturals DHA Xtra and Thera Tears Omega-3 Eye Health 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 DHA Xtra has the highest total amount of EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): 1370 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Nordic Naturals DHA Xtra: 2 tablets
    • Thera Tears Omega-3 Eye Health: 3 softgels
  • Vitamin E
    • This supplement has 142.6 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg

Last updated: February 4, 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