Mason Natural Glucosamine Chondroitin 1500/1200 supplement bottle
Mason Natural

Glucosamine Chondroitin 1500/1200 Review

What We Researched
5 active ingredients analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
71
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Calcium Ascorbate) 198 mg 220%
Manganese (as Manganese Sulfate) 9 mg 391%
Sodium (as Chondroitin Sulfate Sodium) 84 mg 4%
Glucosamine Sulfate 2KCl 1500 mg †
Chondroitin Sulfate Sodium 1200 mg †
Bioavailability Excellent

Absorption Rating

  • Vitamin C (as Calcium Ascorbate) Good
  • Manganese (as Manganese Sulfate) Good
  • Sodium (as Chondroitin Sulfate Sodium) Good
  • Glucosamine Sulfate 2KCl Good
  • Chondroitin Sulfate Sodium Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Stearic Acid
  • Magnesium Stearate
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Vitamin C (as Calcium Ascorbate) 198 mg Effective
  • Manganese (as Manganese Sulfate) 9 mg High
  • Sodium (as Chondroitin Sulfate Sodium) 84 mg Under-dosed
  • Glucosamine Sulfate 2KCl 1500 mg Effective
  • Chondroitin Sulfate Sodium 1200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Calcium Ascorbate) 198 mg 220%
Manganese (as Manganese Sulfate) 9 mg 391%
Sodium (as Chondroitin Sulfate Sodium) 84 mg 4%
Glucosamine Sulfate 2KCl 1500 mg †
Chondroitin Sulfate Sodium 1200 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Mason Natural

Founded 1967 · Miami Lakes, Florida, USA · 255 products · masonvitamins.com

Certifications

2 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence

Transparency

2 claims
Third Party Testing Claim — Claimed Evidence available Evidence

Violation History

4 incidents
Recall Herbal Colon Cleanser Capsules2025-09-02 Source available Primary source
Recall Healthy Sense Daily Multiple with Iron and People's Choice Women's Daily Vitamins with Iron2022-11-17 Source available Primary source
Prop 65 Lead2017-03-10 Source available Primary source
Prop 65 Lead2016-03-28 Source available Primary source
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Frequently Asked Questions
Is Mason Natural Glucosamine Chondroitin 1500/1200 a good supplement?

Mason Natural Glucosamine Chondroitin 1500/1200 received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 5 active ingredients with 60 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Mason Natural, holds a brand trust score of 71/100.

What are the ingredients in Mason Natural Glucosamine Chondroitin 1500/1200?

Mason Natural Glucosamine Chondroitin 1500/1200 contains 5 active ingredients: Vitamin C (as Calcium Ascorbate) (198 mg), Manganese (as Manganese Sulfate) (9 mg), Sodium (as Chondroitin Sulfate Sodium) (84 mg), Glucosamine Sulfate 2KCl (1500 mg), Chondroitin Sulfate Sodium (1200 mg). Notable high-dose ingredients include Vitamin C at 220% DV, Manganese at 391% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mason Natural Glucosamine Chondroitin 1500/1200 safe to take?

GoodSupp reviewed the inactive-ingredient data available for Mason Natural Glucosamine Chondroitin 1500/1200. All 4 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Mason Natural a trustworthy supplement brand?

Mason Natural receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1967 and headquartered in Miami Lakes, Florida, USA, the company offers 255 products in their lineup. Note: Mason Natural has 4 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 150,000 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 150,000 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 — read our methodology. 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.