Bulk Chondroitin Sulfate Powder Supplier in China
Provita Biotech supplies bulk Chondroitin Sulfate Powder for supplement brands, contract manufacturers, and ingredient distributors. Choose bovine, porcine, chicken, tilapia, shark, or fermentation sources to match your product brief.
We also provide Chondroitin Sulfate OEM services for tablets, powder-filled capsules, powders, gels, and other dosage forms. Bring us your formula, target market, and packaging needs.
- Bovine, Porcine, Chicken, Tilapia, fish, fermentation sources avaialble
- Standard animal grade: ≥90.0% assay by CPC, dried basis.
- Annual Manufacturing Capability of 1000 tons
- Factory direct wholesale pricing with COA, free samples
Home / Products / Specialty Ingredients / Wholesale Chondroitin Sulfate Powder Supplier in China
Bulk Chondroitin Sulfate Sodium Powder
| Product Name | Bulk Chondroitin sulphate Powder |
| Other Names | Chondroitin sulphate, chondroitin sulfate sodium, Chondroitin Sulfate Na, Bovine Chondroitin Sulfate, Chondroitin Sulfate (bovine source), Chondroitin Sulfate-NaCl |
| Specifications | Chondroitin Sulfate 90% |
| Appearance/color | White to off-white powder |
| Package | 25kg / drum, custom package |
| Annual Capability | 1000 tons |
What is Chondroitin Sulfate?
Chondroitin sulfate is a glycosaminoglycan, a long chain of repeating sugars. Its backbone contains glucuronic acid and N-acetylgalactosamine. Sulfate groups attach to the chain.
Chondroitin describes the unsulfated backbone in strict chemical usage. In chondroitin sulfate sodium, sodium ions balance the sulfated polymer’s charge. The USP ingredient definition describes this sodium-salt structure.
Chondroitin-4-sulfate and chondroitin-6-sulfate differ in sulfate position. Chain length and sulfation vary, so request measured molecular-weight data when your formulation needs a defined range.
Available Chondroitin Sulfate Sources
Provita offers several source options. Choose the source first, then agree on the assay, test methods, and supporting documents.
| Source | What to confirm |
|---|---|
| Bovine | Cartilage origin, species traceability, and BSE/TSE documentation |
| Porcine | Tissue origin, source declaration, and target-market fit |
| Chicken / avian | Species, tissue origin, and source-specific composition |
| Tilapia / fish | Exact species, fish allergen information, and traceability |
| Shark | Species identity, sourcing records, and destination requirements |
| Fermentation | Production route, assay, processing inputs, and animal-free documentation |
A broad label such as “terrestrial” or “marine” does not identify the exact species. Specify the source in your purchase requirements.
Animal vs Fermentation Chondroitin Sulfate
Animal-source production extracts and purifies chondroitin sulfate from cartilage. Fermentation-based production uses microbial processing and may include further conversion steps.
| Buying factor | Animal sources | Fermentation source |
|---|---|---|
| Traceability | Species, tissue, and supply-chain records | Production inputs and process records |
| Composition | Confirm assay, protein, and sulfation profile | Confirm assay, sulfation, and process-related impurities |
| Vegan positioning | Animal origin excludes a vegan claim | Verify processing inputs and supporting declarations |
| Selection basis | Specification, cost, source preference, and market needs | Specification, process documentation, and product positioning |
Source alone does not prove better absorption or higher purity. Compare the actual material and its test results.
Chondroitin Sulfate Specifications
The table below summarizes our documented standard bovine grade. Agree on source-specific limits for other grades.
| Test item | Standard bovine specification |
|---|---|
| Appearance | White to off-white powder |
| Identity | Infrared identification and positive sodium reaction |
| Assay, dried basis | 90.0–105.0% by CPC |
| Loss on drying | <12.0% |
| Protein | ≤6.0% |
| pH, 1% aqueous solution | 5.5–7.5 |
| Specific rotation | −30° to −20° |
| Residue on ignition, dried basis | 20.0–30.0% |
| Clarity, 5% aqueous solution | Absorbance <0.35 at 420 nm |
| Total heavy metals, legacy method | ≤20 ppm |
| Total bacteria count | <1,000 CFU/g |
| Yeast and mold | <100 CFU/g |
| Salmonella, E. coli, S. aureus | Negative under the stated test methods |
| Particle size | 95% through 80 mesh |
The marine COA also specifies lead ≤3.0 ppm, arsenic ≤1.0 ppm, mercury ≤0.1 ppm, and cadmium ≤0.5 ppm. It lists chloride ≤0.50% and sulfate ≤0.24% under its stated methods.
Match the test panel to your market and product category. Confirm the applicable monograph and edition; a CPC result alone does not establish full pharmacopoeial compliance.
Chondroitin Sulfate Certificates of Analysis
These COAs show example batch results. They do not replace the release COA for your order.
| COA source label | Batch number | CPC assay, dried basis | Loss on drying | Protein |
|---|---|---|---|---|
| Bovine | 2509226 | 93.2% | 9.7% | 4.3% |
| Marine | 2501311 | 92.0% | 9.5% | 4.7% |
| Terrestrial | 2508896 | 92.1% | 9.8% | 4.8% |
Request a COA for your selected source. Check the batch identity, specification limits, test methods, and reporting basis.
Assay and Authenticity Testing
“90% chondroitin sulfate” needs a method and a calculation basis. Our standard documentation reports CPC assay on a dried basis.
CPC can respond to other charged substances. Pair content testing with identity and composition checks; enzymatic HPLC can help assess chondroitin disaccharides. Published method research explains the limits of nonspecific assays.
For qualification, review infrared identity, sodium identity, and source-specific composition data. State any requirements for other glycosaminoglycans, residual solvents, or molecular-weight testing in your inquiry.
Residue on ignition measures what remains after the test burns the sample. Its percentage does not equal the amount of added filler.
Application
Chondroitin sulfate is a versatile sulfated glycosaminoglycan widely utilized across pharmaceuticals, nutraceuticals, veterinary medicine, and biotechnology. Beyond its primary role in joint care and osteoarthritis therapies, chondroitin sulfate is used in ophthalmic surgery solutions, dry eye drops, veterinary mobility formulations, skincare cosmetics for hydration and anti-aging, and wound healing materials. In advanced biomedical research, its biocompatible and biodegradable properties make it an increasingly valuable polymer for tissue engineering scaffolds and targeted drug delivery systems.
Joint Health Supplements
Chondroitin sulfate fits joint support tablets, capsules, and powders. Formulators often pair it with glucosamine or MSM. Provita Biotech supplies bulk powder and offers OEM services across these dosage forms.
Pet Joint Health Products
Pet brands use chondroitin sulfate in joint support chews, tablets, and powders for dogs and other companion animals. Formulators can combine it with glucosamine to build products for mobility and joint care. Confirm source, dosage, and ingredient requirements for the target species.
Pharmaceutical and Ophthalmic Products
Some markets use chondroitin sulfate in medicines for osteoarthritis. Eye surgery products also use it in formulations that help protect ocular tissues during cataract surgery. These applications require specific grades and supporting documentation beyond a standard supplement specification.
Chondroitin Sulfate Manufacturing and Quality Control
Our documented bovine process starts with cartilage washing and heating. Enzymes break down the tissue, then filtration and ultrafiltration prepare the extract for purification.
Precipitation and further purification concentrate the product. Ethanol dehydration, centrifugation, and drying produce material for milling, sieving, blending, and packing.
The process sheet lists heating near 100°C for four hours and drying at 85°C for four hours. These settings describe the supplied bovine process.
Quality review should link raw-material origin, process controls, and batch results. Request separate process documents for fermentation material and any other selected source.
Packaging, Storage, and Supply Documents
We supply the documented bulk grade in 25 kg fiber drums with two inner polyethylene bags. Keep the container sealed and protect the powder from light and moisture.
The raw-material specification lists a two-year shelf life. Establish the shelf life of each OEM formula through its own stability program.
Request the source-specific COA, technical specification, SDS, and process flow. State any needs for species, origin, allergen, BSE/TSE, animal-free, halal, or kosher documentation. We will confirm availability for the selected material.
Glucosamine Sulfate vs Chondroitin Sulfate vs MSM
These ingredients have different chemical identities. Compare them by formulation purpose, serving size, and ingredient input.
| Ingredient | Identity | Formulation consideration |
|---|---|---|
| Glucosamine sulfate | A sulfate salt of the amino sugar glucosamine | Specify the salt preparation and declared glucosamine amount |
| Chondroitin sulfate sodium | A sulfated carbohydrate polymer in sodium-salt form | Confirm source, assay method, moisture, and composition |
| MSM | Methylsulfonylmethane, a small sulfur-containing molecule | Set its input and review the full formula’s serving size |
Glucosamine sulfate and chondroitin can form a two-ingredient blend. Adding MSM creates a glucosamine sulfate, chondroitin, and MSM formula.
Provita supports custom combinations with these ingredients, collagen, and hyaluronic acid. Set each ingredient amount around your evidence, serving size, and target cost.
Chondroitin Sulfate OEM and Private-Label Services
Provita Biotech provides Chondroitin Sulfate OEM services for brands that need finished products. We work from your target formula, source preference, dosage form, and packaging brief.
| OEM format | Customization options |
|---|---|
| Chondroitin sulfate tablets | Single-ingredient or combination formulas, tablet size, coating, and pack format |
| Chondroitin sulfate powder capsules | Fill weight, capsule shell, ingredient combinations, and bottle or blister packaging |
| Chondroitin sulfate powders | Blends, jars, sachets, and stick-pack projects |
| Chondroitin sulfate gels | Oral or topical project briefs, texture, formula compatibility, and packaging |
| Other dosage forms | Chewables, gummies, liquids, and other formats subject to project review |
| Pet product projects | Species-specific powder, tablet, and chew-format briefs |
For capsules, match both the powder and shell to your source claims. A plant-based shell does not make bovine chondroitin vegan.
For gels, define oral or topical use at the start. The route of use guides ingredient selection, stability testing, and claims.
Formulation Performance and Usage
Test the selected grade in your actual formula. Water clarity results do not establish performance in every blend, gel, or beverage.
| Production need | What to evaluate |
|---|---|
| Capsules and tablets | Bulk density, flow, blend uniformity, fill weight, and disintegration |
| Powder blends | Particle size, segregation, moisture pickup, and mixing behavior |
| Liquids and gels | Dissolution, clarity, viscosity, pH, and preservation |
| Heated processes | Assay retention, texture, and stability after processing |
Calculate ingredient input from the batch assay and loss-on-drying correction. Bovine batch 2509226 reports 93.2% assay and 9.7% loss on drying. That gives an approximate as-is CPC assay of 84.2%: 93.2% × 0.903.
For usage context, the GAIT study tested 1,200 mg/day of chondroitin sulfate in adults. It did not find a significant overall pain benefit over placebo; that study level is not a universal product recommendation. Read the trial.
Chondroitin Sulfate for Dogs and Pet Products
Pet brands use chondroitin sulfate in joint formulas, often with glucosamine. Provita supports raw-material sourcing and OEM project review for pet products.
Define the animal species, serving size, palatability needs, and ingredient restrictions. Do not transfer a human formula or intake level to dogs.
Evidence for canine joint supplements remains limited, and no universal dose fits every product. Have a veterinary professional review the formulation and use directions.
Chondroitin Sulfate Benefits
- Joint Comfort: May help reduce joint discomfort with certain studied chondroitin sulfate preparations.
- Mobility Support: May help improve joint function in some users.
- Cartilage Function: Natural chondroitin in cartilage helps the tissue resist compression and cushion joints.
- Formulation Flexibility: Fits standalone supplements and combination formulas with glucosamine, MSM, collagen, or hyaluronic acid.
Clinical results vary by preparation and study. These findings do not establish the same benefits for every chondroitin sulfate powder. See the NCCIH evidence review.
Where to Buy Bulk Chondroitin Sulfate
Provita Biotech brings bulk chondroitin sulfate supply and OEM services into one sourcing discussion. Choose your source, agree on the specification, and define the finished-product requirements.
- Compare several animal sources and a fermentation option.
- Review documented specifications and example COAs.
- Source bulk powder or develop tablets, capsules, powders, and gels.
- Build standalone or combination formulas to fit your brief.
Compare wholesale quotes on the same assay basis and testing scope. Source, moisture, order size, packaging, and delivery terms all affect your final cost.
FAQs
Chondroitin sulfate sodium is the sodium salt of chondroitin sulfate. Buyers often use the shorter name, but technical documents should identify the exact salt and grade.
It states an assay target under a defined method. For our standard animal grade, the specification uses CPC on a dried basis. It does not mean 90% chondroitin plus 10% sodium or sodium chloride.
We offer bovine, porcine, chicken, tilapia, shark, and fermentation options. Specify your preferred source when requesting pricing, samples, and technical documents.
A fermentation route can support an animal-free product. Verify culture inputs, processing aids, and the finished ingredient’s declaration before making a vegan claim.
Research does not establish one choice as better for every use. Compare the exact ingredient, evidence, serving size, and formula cost. NCCIH summarizes the findings
Glucosamine sulfate names one ingredient form. “Glucosamine and chondroitin” names a combination, which may use glucosamine sulfate or another glucosamine salt. Check both ingredient forms and their amounts.
The combination puts three joint-formula ingredients into one product. Select their amounts around evidence and serving size. Check capsule capacity and total daily intake before fixing the blend ratio.
Chondroitin sulfate is a sulfated carbohydrate polymer. MSM is methylsulfonylmethane, a small sulfur-containing compound. They are distinct ingredients, not interchangeable forms of the same material.
Yes. We support ingredient sourcing and OEM project review for pet formulas. Share the target species, product format, intended serving, and destination market so we can review the requirements.
Yes. Our OEM services cover tablets, powder-filled capsules, powders, gels, and other dosage forms. We can discuss custom blends, capsule shells, packaging, and private-label requirements.
Source, specification, test scope, volume, and packaging affect bulk pricing. OEM quantities and lead times also depend on formulation work, dosage form, components, and production scheduling. Send your brief for a project-specific quote.