Thorne Calcium-Magnesium Malate
vs
Douglas Laboratories Cysto Renew
Supplement Comparison

  • Magnesium: same total amount on both labels
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 12 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Calcium-Magnesium Malate vs Douglas Laboratories Cysto Renew.

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Frequently asked questions

Which active ingredients does Thorne Calcium-Magnesium Malate have?

  • Calcium appears as Calcium Malate
  • Magnesium appears as Magnesium Malate

Which active ingredients does Douglas Laboratories Cysto Renew have?

  • Magnesium appears as Magnesium Amino Acid Chelate
  • L-Arginine
  • Quercetin appears as Quercetin Dihydrate
  • Bromelain
  • Chondroitin Sulfate
  • L-Citrulline
  • Blend appears as Cysto Renew Proprietary Blend (Rhodiola rosea Extract, Lemon Balm Extract, Aloe Vera inner leaf)

Which categories do Thorne Calcium-Magnesium Malate and Douglas Laboratories Cysto Renew belong to?

  • Joint Formula
  • Single Mineral
  • Herbal Extract

What health concerns do Thorne Calcium-Magnesium Malate and Douglas Laboratories Cysto Renew address?

  • Muscle Support
  • Heart & Cardiovascular Health
  • Joint & Bone Health
  • Anti-Inflammatory Support
  • Kidney, Bladder, Urinary Health
  • General Health

Which product has a higher amount of Magnesium per serving?

  • Both products list the same total amount of Magnesium per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Calcium-Magnesium Malate: 1 capsule
    • Douglas Laboratories Cysto Renew: 4 capsules
  • Calcium
    • This supplement has 100 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg

Last updated: February 10, 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