Thorne Magnesium Bisglycinate
vs
Swanson Certified Organic Spirulina
Supplement Comparison

  • Magnesium: Thorne Magnesium Bisglycinate has 33× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 7 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Magnesium Bisglycinate vs Swanson Certified Organic Spirulina.

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Frequently asked questions

Which active ingredients does Thorne Magnesium Bisglycinate have?

  • Magnesium appears as TRAACS Magnesium Bisglycinate (Albion)

Which active ingredients does Swanson Certified Organic Spirulina have?

  • Iron
  • Magnesium
  • Selenium
  • Chromium
  • Spirulina (Arthrospira platensis) Microalgae appears as Parry's Organic Spirulina

Which categories do Thorne Magnesium Bisglycinate and Swanson Certified Organic Spirulina belong to?

  • Single Mineral
  • Algae

What health concerns do Thorne Magnesium Bisglycinate and Swanson Certified Organic Spirulina address?

  • Athletic Performance
  • Muscle Support
  • Joint & Bone Health
  • Recovery & Repair
  • Sleep Quality
  • Stress Management
  • Antioxidant Support
  • Immune System Support
  • Liver & Detox Support

Which product has a higher amount of Magnesium per serving?

  • Thorne Magnesium Bisglycinate has the highest total amount of Magnesium: 200 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Magnesium Bisglycinate: 1 scoop
    • Swanson Certified Organic Spirulina: 2 tablets
  • Iron
    • This supplement has 0.7 mg
    • Recommended Dietary Allowance in men: 8 mg
    • Recommended Dietary Allowance in women: 18 mg
    • Tolerable Upper Intake Level: 45 mg
  • Selenium
    • This supplement has 1.25 mcg
    • Recommended Dietary Allowance in men: 55 mcg
    • Recommended Dietary Allowance in women: 55 mcg
    • Tolerable Upper Intake Level: 400 mcg
  • Chromium
    • This supplement has 3.5 mcg
    • Adequate Intake in men: 35 mcg
    • Adequate Intake in women: 25 mcg
    • Tolerable Upper Intake Level: Not established

Last updated: February 2, 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