Klean Athlete Klean Magnesium
vs
Metagenics Mg/K Aspartate
Supplement Comparison

  • Magnesium: Klean Athlete Klean Magnesium has 20% 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 Klean Athlete Klean Magnesium vs Metagenics Mg/K Aspartate.

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Frequently asked questions

Which active ingredients does Klean Athlete Klean Magnesium have?

  • Magnesium appears as Magnesium Bisglycinate

Which active ingredients does Metagenics Mg/K Aspartate have?

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

Which categories do Klean Athlete Klean Magnesium and Metagenics Mg/K Aspartate belong to?

  • Single Mineral
  • Mineral Complex

What health concerns do Klean Athlete Klean Magnesium and Metagenics Mg/K Aspartate address?

  • Muscle Support
  • Nerve Health & Comfort Support
  • General Health
  • Heart & Cardiovascular Health
  • Sleep Quality
  • Stress Management
  • Energy & Metabolism

Which product has a higher amount of Magnesium per serving?

  • Klean Athlete Klean Magnesium has the highest total amount of Magnesium: 120 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Klean Athlete Klean Magnesium: 1 capsule
    • Metagenics Mg/K Aspartate: 2 tablets
  • Potassium
    • This supplement has 160 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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  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team