Thera Tears Omega-3 Eye Health
vs
Douglas Laboratories Nutri-E 400 ™ Forte
Supplement Comparison

  • Vitamin E: Douglas Laboratories Nutri-E 400 ™ Forte has 4.1× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 13 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thera Tears Omega-3 Eye Health vs Douglas Laboratories Nutri-E 400 ™ Forte.

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Frequently asked questions

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 active ingredients does Douglas Laboratories Nutri-E 400 ™ Forte have?

  • Vitamin E appears as d-Alpha Tocopherol
  • Vitamin E appears as Gamma Tocopherol
  • Vitamin E appears as Beta and Delta Tocopherols

Which categories do Thera Tears Omega-3 Eye Health and Douglas Laboratories Nutri-E 400 ™ Forte belong to?

  • Fish Oil and Omega-3
  • Single Vitamin

What health concerns do Thera Tears Omega-3 Eye Health and Douglas Laboratories Nutri-E 400 ™ Forte address?

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

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

  • Douglas Laboratories Nutri-E 400 ™ Forte has the highest total amount of Vitamin E: 280 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thera Tears Omega-3 Eye Health: 3 softgels
    • Douglas Laboratories Nutri-E 400 ™ Forte: 1 softgel
  • 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
  • Vitamin E
    • This supplement has 588 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg

Last updated: February 5, 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.
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  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team