Thorne Glucosamine & Chondroitin
vs
Metagenics Glucosamine Sulfate
Supplement Comparison

  • Glucosamine Sulfate: Metagenics Glucosamine Sulfate has 3.0× 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 Glucosamine & Chondroitin vs Metagenics Glucosamine Sulfate.

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Frequently asked questions

Which active ingredients does Thorne Glucosamine & Chondroitin have?

  • Glucosamine Sulfate
  • Chondroitin Sulfate

Which active ingredients does Metagenics Glucosamine Sulfate have?

  • Vitamin C appears as Ascorbic Acid
  • Potassium appears as Potassium from D-Glucosamine Sulfate Potassium Chloride
  • Glucosamine Sulfate appears as D-Glucosamine Sulfate Potassium Chloride

Which categories do Thorne Glucosamine & Chondroitin and Metagenics Glucosamine Sulfate belong to?

  • Joint Formula

What health concerns do Thorne Glucosamine & Chondroitin and Metagenics Glucosamine Sulfate address?

  • Joint & Bone Health

Which product has a higher amount of Glucosamine Sulfate per serving?

  • Metagenics Glucosamine Sulfate has the highest total amount of Glucosamine Sulfate: 1500 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Glucosamine & Chondroitin: 1 capsule
    • Metagenics Glucosamine Sulfate: 3 tablets
  • Vitamin C
    • This supplement has 90 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Potassium
    • This supplement has 240 mg
    • Adequate Intake in men: 3400 mg
    • Adequate Intake in women: 2600 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 11, 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