Wholesale Quercetin Powder Manufacturer & Supplier from China
Reliable plant-derived Quercetin ingredient with consistent purity, full documentation, and global bulk supply for cosmetic supplement and functional food manufacturers.
- HPLC verified purity up to 95% and 98% available
- GMP certified factory with strict batch-to-batch consistency
- Full COA, MSDS, and third-party testing support
- Stable bulk supply for global export markets
Consistent Quercetin Powder Supply
- Integrated extraction and purification system ensures stable, high-quality Quercetin production at scale
- In-house HPLC laboratory guarantees precise purity control and reliable batch-to-batch consistency
- Experienced technical team supports formulation optimization for supplements, food, and cosmetic applications
- Strict raw material screening system ensures only high-grade plant sources enter production process
- Large-scale GMP facility enables efficient bulk manufacturing with flexible global supply capability
- Dedicated export compliance team ensures smooth documentation and international regulatory support for buyers
Your Trusted Quercetin Powder Manufacturing Partner
As a professional Quercetin Powder manufacturer in China, we are committed to providing high-quality, stable, and reliable Quercetin solutions for global supplement, functional food, and cosmetic industries. Natract Quercetin Powder is produced from carefully selected certified raw materials and processed under GMP and ISO standards with strict HPLC quality control. For high-demand applications, we offer higher purity grades and customized specifications to meet different formulation requirements.
Whether you are a brand owner, distributor, or contract manufacturer, we provide flexible bulk supply, full documentation support, and tailored solutions to ensure smooth product development and market success. Over the past years, we have exported to more than 50 countries, helping global partners secure consistent supply and solve quality stability challenges in functional ingredient sourcing.
Why You Need Natract Quercetin Powder for Modern Formulations
With strict purity control, reliable solubility awareness, and consistent batch quality, Natract Quercetin Powder helps you reduce formulation risks and improve final product performance in competitive global markets.
High Purity (HPLC Verified)
Ensures consistent active content with reliable 95% and 98% purity grades.
Batch-to-Batch Consistency
Natract strict production control guarantees stable quality across every manufacturing batch.
Plant-Derived Ingredient
Sourced from natural botanical materials for clean-label formulation requirements.
Advanced Purification Process
Multi-step extraction and purification system ensures high standard product quality.
Global Regulatory Support
Full documentation including COA, MSDS, and export compliance materials available.
Formulation Compatibility Awareness
Technical support provided to improve stability in different application systems.
Large-Scale Production Capacity
Supports bulk orders with reliable and continuous international supply capability.
Quality-Controlled Manufacturing System
Each batch tested under strict HPLC laboratory standards before release.
Consistent Batch-to-Batch Quercetin Quality
For supplement brands, contract manufacturers, and distributors, inconsistent raw materials can lead to formulation challenges, quality complaints, and regulatory risks. Our Quercetin Powder is produced under a standardized manufacturing and quality control system, with every batch verified through HPLC testing before release. This ensures consistent purity, appearance, and performance, helping you maintain product quality, streamline production, and build long-term customer confidence across global markets.
Company Advantage
As a trusted Quercetin Powder manufacturer, we combine modern extraction technology, standardized production processes, and rigorous quality control to deliver consistent product performance. Our GMP-compliant facility is equipped with advanced purification systems, automated production lines, and in-house HPLC testing laboratories. From raw material sourcing to final packaging, every stage is carefully monitored to ensure purity, traceability, and batch consistency. With strong production capacity and extensive export experience, we help global brands, distributors, and manufacturers secure a dependable long-term supply of high-quality Quercetin Powder.
Natract Quercetin Powder Applications Across Key Industries
Dietary Supplement Manufacturing
Natract Quercetin Powder is widely used in capsules, tablets, and powder blends for antioxidant and immune-support formulations. Its standardized purity, batch consistency, and complete documentation make it a reliable choice for supplement brands and contract manufacturers seeking stable long-term ingredient supply.
Functional Food & Beverage Industry
Functional food manufacturers use Natract Quercetin Powder in nutrition products, gummies, beverages, and health-focused formulations. With its plant-derived origin and consistent quality control, it helps companies develop premium functional products while meeting growing consumer demand for natural active ingredients.
Cosmetic & Personal Care Formulations
Natract Quercetin Powder is increasingly used in anti-aging creams, serums, masks, and other cosmetic formulations. Its antioxidant properties and standardized manufacturing process provide cosmetic formulators with a reliable botanical active ingredient for modern skincare product development and international market applications.
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Pure Quercetin, Reliable Supply, Proven Quality
Natract High-purity Quercetin Powder manufactured for consistent performance in supplements, functional foods, and cosmetic formulations worldwide.
More About Natract Quercetin Powder
More information you may want to know
| Item | Specification |
| Product Name | Quercetin Powder |
| Botanical Source | Sophora japonica L. (Flower Bud) |
| Active Ingredient | Quercetin |
| Appearance | Yellow Fine Powder |
| Assay (HPLC) | ≥95.0% / ≥98.0% |
| Test Method | HPLC |
| Particle Size | 80–120 Mesh |
| Loss on Drying | ≤5.0% |
| Sulfated Ash | ≤1.0% |
| Heavy Metals | ≤10 ppm |
| Lead (Pb) | ≤2 ppm |
| Arsenic (As) | ≤1 ppm |
| Cadmium (Cd) | ≤1 ppm |
| Mercury (Hg) | ≤0.1 ppm |
| Total Plate Count | ≤1,000 CFU/g |
| Yeast & Mold | ≤100 CFU/g |
| E. coli | Negative |
| Salmonella | Negative |
| Solubility | Poorly Soluble in Water |
| Odor | Characteristic |
| Shelf Life | 24 Months |
| Storage | Store in a Cool, Dry Place Away from Direct Sunlight |
| Packaging | 1kg Aluminum Foil Bag / 25kg Fiber Drum |
| MOQ | 1kg Sample Available |
| Grade | Food Grade / Supplement Grade |
| Certifications | GMP, ISO, HACCP |
| Documents Available | COA, MSDS, TDS, Non-GMO Statement, Allergen-Free Statement |
| Application | Dietary Supplements, Functional Foods, Sports Nutrition, Cosmetics |
| Custom Service | Customized Purity, Packaging, OEM Support |
| Packaging Type | Net Weight | Inner Packaging | Outer Packaging | Suitable For |
|---|---|---|---|---|
| Sample Bag | 100g / 500g | Sealed Aluminum Foil Bag | Carton Box | Product Evaluation & Testing |
| Small Package | 1kg / 5kg | Food-Grade Aluminum Foil Bag | Carton Box | Trial Orders & Small Batch Production |
| Standard Bulk Package | 25kg | Double PE Bags | Fiber Drum | Distributors & Manufacturers |
| Large Volume Package | 25kg × Multiple Drums | Double PE Bags | Fiber Drums on Pallets | Wholesale & Container Shipments |
| Item | Requirement |
|---|---|
| Storage Temperature | Store at room temperature (15°C–25°C recommended) |
| Humidity | Keep in a dry environment below 60% relative humidity |
| Light Exposure | Protect from direct sunlight and strong artificial light |
| Container Status | Keep container tightly sealed when not in use |
| Ventilation | Store in a clean, well-ventilated area |
| Storage Environment | Cool, dry, and odor-free warehouse |
| Contact with Water | Avoid exposure to moisture and water |
| Contact with Chemicals | Keep away from strong oxidizing agents and reactive chemicals |
Testimonials
Quercetin Powder FAQs
What is Quercetin Powder and where does it come from?
Quercetin Powder is a natural flavonoid compound commonly extracted from plant sources such as Sophora japonica flower buds. It is widely used in dietary supplements, functional foods, and cosmetic formulations due to its antioxidant properties. Commercial-grade Quercetin is produced through extraction, purification, and standardization processes to ensure consistent purity and quality.
What purity levels of Quercetin Powder are available?
The most common commercial grades are 95% and 98% Quercetin, verified through HPLC testing. The appropriate purity level depends on your application, formulation requirements, and target market. Higher-purity grades are often preferred for premium supplement products and specialized formulations requiring stricter quality standards.
How is Quercetin Powder tested for quality and consistency?
Quality Quercetin Powder should be tested using HPLC analysis to verify active compound content. Additional testing may include heavy metals, microbial limits, residual solvents, moisture content, and batch traceability verification. Reliable manufacturers perform comprehensive quality control throughout production to ensure consistent performance between batches.
Is Quercetin Powder water soluble?
Standard Quercetin Powder has relatively low water solubility, which is a well-known formulation consideration. Because of this characteristic, manufacturers may use specialized delivery systems or formulation techniques when incorporating Quercetin into beverages, gummies, or other water-based products. Technical guidance can help optimize product performance.
What industries commonly use Quercetin Powder?
Quercetin Powder is widely used in dietary supplements, functional foods, sports nutrition products, cosmetic formulations, and research applications. Its versatility makes it a popular ingredient for companies developing antioxidant-focused products, plant-based formulations, and premium health and wellness solutions across multiple industries.
What documents should a professional Quercetin Powder supplier provide?
A qualified supplier should provide essential documentation such as COA, MSDS, TDS, Non-GMO Statement, Allergen-Free Statement, and relevant quality certifications. These documents help support regulatory compliance, quality verification, and product registration requirements in international markets.
How should Quercetin Powder be stored for maximum stability?
Quercetin Powder should be stored in a cool, dry, and well-ventilated environment away from direct sunlight, moisture, and excessive heat. Proper storage in sealed original packaging helps maintain product quality, purity, and stability throughout its shelf life, which is typically up to 24 months.
Why is batch-to-batch consistency important when sourcing Quercetin Powder?
Inconsistent raw materials can affect formulation performance, manufacturing efficiency, and finished product quality. Reliable batch-to-batch consistency helps manufacturers maintain stable production processes, reduce quality risks, and ensure that every product released to market meets the same performance standards.
What should buyers evaluate when choosing a Quercetin Powder manufacturer?
Buyers should evaluate manufacturing capabilities, quality control systems, HPLC testing procedures, export experience, certifications, documentation support, production capacity, and supply chain stability. Selecting a professional manufacturer can significantly reduce sourcing risks and improve long-term business reliability.
Can Quercetin Powder be customized for specific formulation requirements?
Yes. Professional manufacturers can often provide customized purity levels, particle sizes, packaging options, and documentation support based on customer requirements. Customized solutions help supplement brands, distributors, and contract manufacturers optimize ingredient compatibility and meet specific product development objectives.
What is the difference between Quercetin extract and Quercetin Powder?
Quercetin extract generally refers to the concentrated botanical extract before standardization, while Quercetin Powder usually refers to the purified and standardized finished ingredient with a defined assay, such as 95% or 98% Quercetin. Standardized powders offer more consistent quality for commercial manufacturing applications.
Why do supplement brands prefer standardized Quercetin Powder?
Standardized Quercetin Powder provides predictable purity, reliable quality control, and consistent formulation performance. This helps supplement brands maintain product specifications, comply with regulatory requirements, and ensure consistent customer experiences across multiple production batches and international markets.
Key Quality Parameters Buyers Should Evaluate
Professional buyers typically assess several important specifications before purchasing Quercetin Powder:
- Purity level verified by HPLC
- Particle size distribution
- Moisture content
- Heavy metal compliance
- Microbial limits
- Residual solvent control
- Batch traceability
- Storage stability
Documentation and Regulatory Support
International buyers often require complete technical documentation before placing orders. Natract provides:
- Certificate of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Technical Data Sheet (TDS)
- Non-GMO Statement
- Allergen-Free Statement
- Quality Certifications
- other documents upon request
Comprehensive documentation supports regulatory compliance and simplifies product registration in global markets.
