NOW Foods Magnesium Glycinate
vs
Douglas Laboratories Cysto Renew
Supplement Comparison

  • Magnesium: NOW Foods Magnesium Glycinate 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
    • 10 nutrients compared
Bar chart: per-serving label amounts and listed forms for NOW Foods Magnesium Glycinate vs Douglas Laboratories Cysto Renew.

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 NOW Foods Magnesium Glycinate have?

  • Magnesium appears as Magnesium Bisglycinate

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 NOW Foods Magnesium Glycinate and Douglas Laboratories Cysto Renew belong to?

  • Single Mineral
  • Herbal Extract

What health concerns do NOW Foods Magnesium Glycinate and Douglas Laboratories Cysto Renew address?

  • Energy & Metabolism
  • General Health
  • Sleep Quality
  • Stress Management
  • Anti-Inflammatory Support
  • Kidney, Bladder, Urinary Health

Which product has a higher amount of Magnesium per serving?

  • NOW Foods Magnesium Glycinate has the highest total amount of Magnesium: 200 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • NOW Foods Magnesium Glycinate: 2 tablets
    • Douglas Laboratories Cysto Renew: 4 capsules

Last updated: February 15, 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