Douglas Laboratories Magnesium Glycinate
vs
Douglas Laboratories Magnesium/Potassium Aspartate
Supplement Comparison

  • Magnesium: Douglas Laboratories Magnesium Glycinate has 71% 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 Douglas Laboratories Magnesium Glycinate vs Douglas Laboratories Magnesium/Potassium Aspartate.

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Frequently asked questions

Which active ingredients does Douglas Laboratories Magnesium Glycinate have?

  • Magnesium appears as Magnesium Bisglycinate

Which active ingredients does Douglas Laboratories Magnesium/Potassium Aspartate have?

  • Magnesium appears as Magnesium Aspartate
  • Potassium appears as Potassium Aspartate

Which categories do Douglas Laboratories Magnesium Glycinate and Douglas Laboratories Magnesium/Potassium Aspartate belong to?

  • Single Mineral
  • Mineral Complex

What health concerns do Douglas Laboratories Magnesium Glycinate and Douglas Laboratories Magnesium/Potassium Aspartate address?

  • Muscle Support
  • Heart & Cardiovascular Health
  • Joint & Bone Health
  • Sleep Quality
  • Stress Management
  • Energy & Metabolism

Which product has a higher amount of Magnesium per serving?

  • Douglas Laboratories Magnesium Glycinate has the highest total amount of Magnesium: 120 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Douglas Laboratories Magnesium Glycinate: 1 capsule
    • Douglas Laboratories Magnesium/Potassium Aspartate: 1 capsule
  • Potassium
    • This supplement has 99 mg
    • Adequate Intake in men: 3400 mg
    • Adequate Intake in women: 2600 mg
    • Tolerable Upper Intake Level: Not established

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.
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  • Author: VIOscan Research Team