Swanson ACES
vs
NOW Foods Cod Liver Oil
Supplement Comparison

  • Vitamin A: Swanson ACES has 10× 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 Swanson ACES vs NOW Foods Cod Liver Oil.

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Frequently asked questions

Which active ingredients does Swanson ACES have?

  • Vitamin A appears as Beta Carotene
  • Vitamin C appears as Ascorbic Acid
  • Vitamin E appears as d-Alpha Tocopherol
  • Selenium appears as L-Selenomethionine

Which active ingredients does NOW Foods Cod Liver Oil have?

  • Vitamin A appears as Retinyl Palmitate and Cod Liver Oil
  • Vitamin D appears as Cholecalciferol and Cod Liver Oil
  • Cod Liver Oil

Which categories do Swanson ACES and NOW Foods Cod Liver Oil belong to?

  • Antioxidant Complex
  • Single Mineral
  • Single Vitamin

What health concerns do Swanson ACES and NOW Foods Cod Liver Oil address?

  • Antioxidant Support
  • Cellular Health
  • Eye Health
  • Heart & Cardiovascular Health
  • Immune System Support
  • Skin, Hair & Nail Health
  • Anti-Inflammatory Support
  • Brain, Focus & Cognitive Function
  • General Health
  • Joint & Bone Health

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

  • Swanson ACES has the highest total amount of Vitamin A: 7500 mcg RAE per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Swanson ACES: 1 softgel
    • NOW Foods Cod Liver Oil: 1 softgel
  • Vitamin A
    • This supplement has 7500 mcg RAE
    • Recommended Dietary Allowance in men: 900 mcg RAE
    • Recommended Dietary Allowance in women: 700 mcg RAE
    • Tolerable Upper Intake Level: 3000 mcg RAE
  • Vitamin C
    • This supplement has 500 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin E
    • This supplement has 180.2 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
  • Vitamin A
    • This supplement has 750 mcg RAE
    • Recommended Dietary Allowance in men: 900 mcg RAE
    • Recommended Dietary Allowance in women: 700 mcg RAE
    • Tolerable Upper Intake Level: 3000 mcg RAE
  • Vitamin D
    • This supplement has 270 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU

Last updated: February 19, 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