Nature's Way GS-500™ Glucosamine Sulfate, Stable Form, 240 Capsules (0.5 g per Capsule) supplement bottle
Nature's Way

GS-500™ Glucosamine Sulfate, Stable Form, 240 Capsules (0.5 g per Capsule)

What We Researched
5 active ingredients analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
87
Product Score Good
95
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Chloride (from glucosamine sulfate) 233 mg 10%
Glucosamine Sulfate (stabilized) 1.5 g **
Bioavailability Excellent

Absorption Rating

  • Chloride (from glucosamine sulfate) Good
  • Glucosamine Sulfate (stabilized) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Plant-Derived Capsule (Hypromellose)
  • Magnesium Stearate
  • Silica
Efficacy Fair

Dosage Analysis

  • Chloride (from glucosamine sulfate) 233 mg Under-dosed
  • Glucosamine Sulfate (stabilized) 1.5 g Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 2 g <1%†
Chloride (from glucosamine sulfate) 233 mg 10%
Sodium 150 mg 7%
Glucosamine Sulfate (stabilized) 1.5 g **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Plant-Derived Capsule (Hypromellose) Safe

It is used as a vegetarian alternative to gelatin capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$46$44$41$39$36 Mar 12 $44.00$38.49
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Nature's Way

Founded 1969 · Green Bay, Wisconsin, USA · 481 products · naturesway.com

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

3 incidents
Fda Warning Violations of the Foreign Supplier Verification Program (FSVP) regulation.2022-12-20Source
Lawsuit Mislabeled and fraudulent herbal supplements.2015Source
Recall Nettle capsules2002-06-28Source
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Frequently Asked Questions
Is Nature's Way GS-500™ Glucosamine Sulfate, Stable Form a good supplement?

Nature's Way GS-500™ Glucosamine Sulfate, Stable Form, 240 Capsules (0.5 g per Capsule) received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 5 active ingredients with 80 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Nature's Way, holds a brand trust score of 95/100 with 5 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Nsf Gmp.

What are the ingredients in Nature's Way GS-500™ Glucosamine Sulfate, Stable Form?

Nature's Way GS-500™ Glucosamine Sulfate, Stable Form contains 5 active ingredients: Calories (10), Total Carbohydrate (2 g), Chloride (from glucosamine sulfate) (233 mg), Sodium (150 mg), Glucosamine Sulfate (stabilized) (1.5 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Way GS-500™ Glucosamine Sulfate, Stable Form safe to take?

Nature's Way GS-500™ Glucosamine Sulfate, Stable Form, 240 Capsules (0.5 g per Capsule) has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature's Way a trustworthy supplement brand?

Nature's Way receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1969 and headquartered in Green Bay, Wisconsin, USA, the company offers 481 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Way has 3 historical regulatory incidents on record, which are factored into the trust score.

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This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How to use turmeric?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How to take turmeric for inflammation?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.