Project Description
Product Description
Chondroitin Sulfate is a naturally occurring glycosaminoglycan (GAG) derived from animal cartilage sources, including bovine, porcine, and marine (shark) cartilage. It is a high-purity, standardized ingredient widely used in joint health formulations. Our Chondroitin Sulfate is produced through controlled extraction and purification processes, yielding a white to off-white powder with consistent molecular weight and sulfation patterns.
As a key structural component of cartilage tissue, Chondroitin Sulfate is valued by formulators for its ability to support joint comfort and mobility in dietary supplement applications. It is available in multiple grades to meet diverse formulation and market requirements.
Product Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Assay (Chondroitin Sulfate) | ≥ 90.0% (on dried basis) | HPLC / CPC Titration |
| Appearance | White to off-white powder | Visual Inspection |
| Odor | Characteristic, slight | Organoleptic |
| Solubility | Soluble in water | Visual |
| pH (1% solution) | 5.5 – 7.5 | USP <791> |
| Loss on Drying | ≤ 10.0% | USP <731> |
| Residue on Ignition | ≤ 20.0% | USP <281> |
| Heavy Metals (Total) | ≤ 20 ppm | USP <231> / ICP-MS |
| Lead (Pb) | ≤ 3.0 mg/kg | ICP-MS |
| Arsenic (As) | ≤ 1.0 mg/kg | ICP-MS |
| Mercury (Hg) | ≤ 0.5 mg/kg | ICP-MS |
| Yeast & Mold | ≤ 100 CFU/g | USP <61> |
| E. coli | Negative | USP <62> |
| Source | Bovine / Porcine / Marine | Certificate of Origin |
Key Nutritional & Chemical Profile
Chondroitin Sulfate is a versatile ingredient for joint health and connective tissue support formulations. Below are its key properties from a formulator‘s perspective:
Joint Health Support: Used as a core ingredient in dietary supplements targeting joint comfort, mobility, and cartilage health. Often combined with glucosamine, MSM, or hyaluronic acid for synergistic formulations.
Cartilage Structure Maintenance: As a natural component of cartilage extracellular matrix, it supports the structural integrity of joint tissues in supplement applications.
High Water Retention: Its hygroscopic nature helps maintain hydration in connective tissues, contributing to joint lubrication and comfort.
Formulation Versatility: Compatible with capsules, tablets, powder blends, and functional beverages. Available in multiple molecular weights and sulfation grades to match specific formulation needs.
Standardized Quality: Each batch is standardized for consistent chondroitin sulfate content, ensuring reliable performance in finished products.
Quality Control Standard Index
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Moisture: ≤8%
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Total Ash: ≤12%
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Heavy Metals: Lead ≤3ppm, Arsenic ≤1ppm, Cadmium ≤1ppm, Mercury ≤0.1ppm
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Microbiology: Total Plate Count ≤10,000cfu/g; Yeast & Mold ≤1,000cfu/g; Salmonella & E.coli: Negative
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Purity Standard: Meet USP/EP food grade standard
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Test Method: HPLC high-performance liquid chromatography for content identification & purity detection

Applications
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Dietary Supplements: Joint care capsules, joint tablet blends, compound bone nutrition powder, glucosamine compound supplement formulas for middle-aged groups and sports crowds.
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Food Products: Functional health food, nutritional solid drinks, functional dairy products, bone and joint functional snack additives.
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Pharmaceutical & Medical Products: Joint adjuvant preparation raw material, medical tissue crosslinking auxiliary material, hospital external joint care medium raw material.
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Skincare & Ocular Products: Eye drop moisturizing raw material, soothing repair essence additive, connective tissue repair skincare ingredient.
Packing & Shipping

Recommended Usage
- Dietary Supplements: 200 – 1,200 mg per serving, depending on formulation and target population.
- Functional Foods: 50 – 500 mg per serving.
- Combination Products: Commonly paired with Glucosamine (500 – 1,500 mg) and MSM (500 – 2,000 mg) for joint health formulas.
Storage
Why Choose Our Chondroitin Sulfate?
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Traceable animal cartilage raw material source, stable batch supply chain.
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Third-party tested for purity, heavy metals and microbial safety, complete batch COA provided.
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Stable batch-to-batch chemical activity and solubility, consistent formulation effect.
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Multiple purity grades customizable to fit different production scenarios.
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Low impurity content, low gastrointestinal irritation, safe for long-term compound use.
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