Life Extension Vitamin D3 25 mcg (1000 IU)
vs
California Gold Nutrition Chewable Vitamin D3 for Children
Supplement Comparison

  • Vitamin D: Life Extension Vitamin D3 25 mcg (1000 IU) has 2.0× 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 Life Extension Vitamin D3 25 mcg (1000 IU) vs California Gold Nutrition Chewable Vitamin D3 for Children.

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Frequently asked questions

Which active ingredients does Life Extension Vitamin D3 25 mcg (1000 IU) have?

  • Vitamin D appears as Cholecalciferol (D3)

Which active ingredients does California Gold Nutrition Chewable Vitamin D3 for Children have?

  • Vitamin D appears as Cholecalciferol (D3)

Which categories do Life Extension Vitamin D3 25 mcg (1000 IU) and California Gold Nutrition Chewable Vitamin D3 for Children belong to?

  • Single Vitamin
  • Kids Formula

What health concerns do Life Extension Vitamin D3 25 mcg (1000 IU) and California Gold Nutrition Chewable Vitamin D3 for Children 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?

  • Life Extension Vitamin D3 25 mcg (1000 IU) has the highest total amount of Vitamin D: 1000 IU per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Life Extension Vitamin D3 25 mcg (1000 IU): 1 softgel
    • California Gold Nutrition Chewable Vitamin D3 for Children: 1 tablet
  • 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
  • Vitamin D
    • This supplement has 500 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU

Last updated: January 31, 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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  • Author: VIOscan Research Team