Thorne Vitamin D-5,000 - NSF
vs
Swanson Vitamin D3
Supplement Comparison

  • Vitamin D: Thorne Vitamin D-5,000 - NSF has 5.0× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 1 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Vitamin D-5,000 - NSF vs Swanson Vitamin D3.

Try the VIOscan dashboard demo for free

Build comparison charts in seconds – no signup or card needed

This is a free preview of the $9.99/month premium dashboard

Use the interactive demo with multivitamins samples

Try Free Demo

Frequently asked questions

Which active ingredients does Thorne Vitamin D-5,000 - NSF have?

  • Vitamin D appears as Cholecalciferol (D3)

Which active ingredients does Swanson Vitamin D3 have?

  • Vitamin D appears as Cholecalciferol (D3)

Which categories do Thorne Vitamin D-5,000 - NSF and Swanson Vitamin D3 belong to?

  • Single Vitamin

What health concerns do Thorne Vitamin D-5,000 - NSF and Swanson Vitamin D3 address?

  • Brain, Focus & Cognitive Function
  • General Health
  • Heart & Cardiovascular Health
  • Immune System Support
  • Joint & Bone Health

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

  • Thorne Vitamin D-5,000 - NSF has the highest total amount of Vitamin D: 5000 IU per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Vitamin D-5,000 - NSF: 1 capsule
    • Swanson Vitamin D3: 1 capsule
  • Vitamin D
    • This supplement has 5000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin D
    • This supplement has 1000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU

Last updated: February 9, 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