Thorne Advanced Nutrients
vs
NOW Foods Cod Liver Oil
Supplement Comparison

  • Vitamin D: Thorne Advanced Nutrients has 7.4× more
  • Vitamin A: Thorne Advanced Nutrients has 50% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 54 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Advanced Nutrients vs NOW Foods Cod Liver Oil.

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Frequently asked questions

Which active ingredients does Thorne Advanced Nutrients have?

  • Vitamin A appears as Beta Carotene
  • Vitamin A appears as Retinyl Palmitate
  • Vitamin C appears as Ascorbic Acid
  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin E appears as d-Alpha Tocopherol
  • Vitamin K appears as Vitamin K1 Phytonadione
  • Vitamin K appears as Vitamin K2 Menaquinone-7 (MK-7)
  • Vitamin B1 (Thiamin) appears as Thiamin HCl
  • Vitamin B2 (Riboflavin) appears as Riboflavin 5-Phosphate Sodium
  • Vitamin B6 (Pyridoxine) appears as Pyridoxal 5-Phosphate
  • Vitamin B9 (Folate) appears as L-5-Methyltetrahydrofolate
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B7 (Biotin)
  • Vitamin B5 (Pantothenic Acid)
  • Choline appears as Choline Citrate
  • Calcium appears as DiCalcium Malate
  • Iodine appears as Potassium Iodide
  • Magnesium appears as DiMagnesium Malate
  • Zinc appears as Zinc Bisglycinate
  • Selenium appears as L-Selenomethionine
  • Copper appears as Copper Bisglycinate
  • Manganese appears as Manganese Bisglycinate
  • Chromium
  • Boron appears as Bororganic Glycine Complex
  • Lutein
  • Lycopene
  • Nicotinamide Riboside
  • Quercetin appears as Bio-Quercetin Phytosome
  • Resveratrol appears as Trans-Resveratrol
  • Zeaxanthin
  • Astaxanthin
  • Bilberry

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 Thorne Advanced Nutrients and NOW Foods Cod Liver Oil belong to?

  • Antioxidant Complex
  • Multivitamin
  • Single Mineral
  • Single Vitamin

What health concerns do Thorne Advanced Nutrients and NOW Foods Cod Liver Oil address?

  • Cellular Health
  • Eye Health
  • General Health
  • Healthy Aging & Longevity
  • Heart & Cardiovascular Health
  • Immune System Support
  • Anti-Inflammatory Support
  • Brain, Focus & Cognitive Function
  • Joint & Bone Health

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

  • Thorne Advanced Nutrients has the highest total amount of Vitamin D: 2000 IU per serving

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

  • Both products list the same total amount of Vitamin A per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Advanced Nutrients: 8 capsules
    • NOW Foods Cod Liver Oil: 1 softgel
  • Vitamin A
    • This supplement has 1125 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 850 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin D
    • This supplement has 2000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin E
    • This supplement has 134 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Vitamin K
    • This supplement has 100 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B1 (Thiamin)
    • This supplement has 40 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • 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: January 30, 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