Thorne Broccoli Seed Extract
vs
Jarrow Glucosamine + Chondroitin
Supplement Comparison

  • Vitamin C: Thorne Broccoli Seed Extract has 67% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 14 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Broccoli Seed Extract vs Jarrow Glucosamine + Chondroitin.

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Frequently asked questions

Which active ingredients does Thorne Broccoli Seed Extract have?

  • Vitamin C appears as Ascorbic Acid
  • Sulforaphane appears as Sulforaphane Glucosinolate
  • Mustard Powder

Which active ingredients does Jarrow Glucosamine + Chondroitin have?

  • Vitamin C appears as Ascorbic Acid
  • Manganese appears as Manganese Citrate
  • Sodium appears as Sodium from Chondroitin Sulfate Sodium
  • Potassium appears as Potassium from Glucosamine Sulfate 2KCl
  • Glucosamine Sulfate appears as Glucosamine Sulfate 2KCI
  • Chondroitin Sulfate appears as Chondroitin Sulfate Sodium

Which categories do Thorne Broccoli Seed Extract and Jarrow Glucosamine + Chondroitin belong to?

  • Antioxidant Complex
  • Herbal Extract
  • Joint Formula

What health concerns do Thorne Broccoli Seed Extract and Jarrow Glucosamine + Chondroitin address?

  • Anti-Inflammatory Support
  • Liver & Detox Support
  • Men's Health
  • Women's Health
  • Joint & Bone Health
  • Recovery & Repair

Which product has a higher amount of Vitamin C per serving?

  • Thorne Broccoli Seed Extract has the highest total amount of Vitamin C: 100 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Broccoli Seed Extract: 1 capsule
    • Jarrow Glucosamine + Chondroitin: 4 capsules
  • Vitamin C
    • This supplement has 100 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin C
    • This supplement has 60 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Manganese
    • This supplement has 1 mg
    • Adequate Intake in men: 2.3 mg
    • Adequate Intake in women: 1.8 mg
    • Tolerable Upper Intake Level: 11 mg
  • Sodium
    • This supplement has 120 mg
    • Adequate Intake in men: 1500 mg
    • Adequate Intake in women: 1500 mg
    • Tolerable Upper Intake Level: Not established
  • Potassium
    • This supplement has 260 mg
    • Adequate Intake in men: 3400 mg
    • Adequate Intake in women: 2600 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 10, 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