California Gold Nutrition Magnesium Chelate
vs
Douglas Laboratories Calcium Citrate
Supplement Comparison

  • Calcium: Douglas Laboratories Calcium Citrate has 3.7× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 4 nutrients compared
Bar chart: per-serving label amounts and listed forms for California Gold Nutrition Magnesium Chelate vs Douglas Laboratories Calcium Citrate.

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Frequently asked questions

Which active ingredients does California Gold Nutrition Magnesium Chelate have?

  • Calcium appears as DiCalcium Phosphate
  • Magnesium appears as Magnesium Amino Acid Chelate

Which active ingredients does Douglas Laboratories Calcium Citrate have?

  • Calcium appears as Calcium Citrate

Which categories do California Gold Nutrition Magnesium Chelate and Douglas Laboratories Calcium Citrate belong to?

  • Single Mineral

What health concerns do California Gold Nutrition Magnesium Chelate and Douglas Laboratories Calcium Citrate address?

  • Muscle Support
  • General Health
  • Heart & Cardiovascular Health
  • Joint & Bone Health
  • Neurological Support
  • Sleep Quality
  • Stress Management

Which product has a higher amount of Calcium per serving?

  • Douglas Laboratories Calcium Citrate has the highest total amount of Calcium: 250 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • California Gold Nutrition Magnesium Chelate: 2 tablets
    • Douglas Laboratories Calcium Citrate: 1 tablet
  • Calcium
    • This supplement has 67 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Calcium
    • This supplement has 250 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg

Last updated: February 20, 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