98% Quercetin Powder Food-Grade Flavonoid Antioxidant Bulk Supply
>98% Quercetin Powder Food-Grade Flavonoid Antioxidant Bulk Supply
Quercetin Supplier 98% Food Antioxidant Powder
Quercetin Dihydrate (95% Purity) is a naturally occurring flavonoid commonly found in fruits, vegetables, and grains. Known for its antioxidant, anti-inflammatory, and immune-boosting properties, Quercetin Dihydrate has been extensively studied for its potential benefits in managing chronic inflammation, heart disease, allergy symptoms, and diabetes. It is widely used as an active ingredient in nutraceuticals, dietary supplements, and cosmetic formulations due to its ability to reduce oxidative stress and support overall health.
Our Quercetin Dihydrate is produced in an ISO 9001 and ISO 22000 certified facility, ensuring high purity and safety standards. It is fully compliant with HACCP, Halal, and Kosher certifications, making it suitable for various industries and applications.
We offer bulk supply and OEM/ODM services for custom formulations, packaging, and labeling to meet the specific needs of manufacturers, formulators, and retailers worldwide.
Description
High Purity Quercetin
Our company specializes in the research, development, and production of plant extracts. We utilize advanced extraction technologies like supercritical CO₂, enzyme-assisted, and membrane separation techniques to ensure high purity and stability. Our experienced team drives continuous innovation and process optimization.
Our products are widely used in pharmaceuticals, functional foods, bio-chemicals, cosmetics, and solid beverages, meeting the diverse needs of our clients. With a robust quality control system and scientific management, we are committed to providing high-quality, eco-friendly plant extracts that contribute to human health.

Product Name: Quercetin
CAS Number: 6151-25-3
Appearance: Yellow to yellow-brown crystalline powder
Purity: 95% (HPLC tested)
Molecular Formula: C15H10O7·2H2O
Molecular Weight: 354.34
Solubility: Slightly soluble in water, soluble in ethanol and DMSO
Shelf Life: 24 months when stored properly
Storage: Keep in a cool, dry place, in tightly sealed containers, away from light and moisture

Applications & Benefits
1.Pharmaceutical Use:
1.1Reduces chronic inflammation
Antioxidant to fight free radicals
1.2Supports cardiovascular health
1.3Aids in managing diabetes and obesity
1.4Effective for allergy relief
2.Nutraceuticals & Dietary Supplements:
2.1Immune-boosting supplements
2.2Anti-aging formulations
2.3Detox products
2.4Functional beverages and capsules
3.Cosmetics & Skincare:
3.1Reduces skin irritation
3.2Provides anti-aging benefits
3.3Anti-inflammatory and antioxidant properties for anti-aging creams and lotions
3.4Used in sun care and sensitive skin formulations
4.Animal Feed:
4.1Antioxidant additive to improve animal health
4.2Boosts immunity in livestock and pets
Key Features & Benefits
✅ High Purity (95%), tested by HPLC
✅ Certified Quality: ISO9001, ISO22000, HACCP, Halal & Kosher
✅ Available in bulk quantities for large-scale production
✅ Custom Formulations: OEM/ODM services available
✅ Stable Supply with professional technical support
✅ Bioavailability: Enhanced absorption and efficacy due to the dihydrate form
✅ Sustainable & Eco-Friendly: Responsibly sourced and produced
✅ Suitable for Food, Cosmetic & Pharmaceutical Applications

Recommended Uses
1.Nutraceutical & Supplement Industry – Use in immune-boosting, anti-inflammatory, and antioxidant supplements
2.Cosmetic & Skincare – Ideal for creams, lotions, serums, and other anti-aging products
3.Pharmaceutical – Active ingredient in anti-inflammatory, heart health, and allergy relief formulations
4.Animal Feed – Immunity booster and antioxidant for livestock and pets

Customization & OEM Services
1.Private Label & Custom Branding: Full support for custom formulations, packaging designs, and labeling
2.Bulk Orders Available: Wholesale supply for retailers, manufacturers, and brands
3.Packaging Options: Flexible packaging solutions for retail or bulk orders (from 1kg to 100kg drums)
4.Fast International Shipping: Secure global delivery with certified packaging
5.OEM Custom Formulations: Develop products to suit your specific market needs
Quercetin Dihydrate FAQ (English Version)
1. What is Quercetin Dihydrate?
Quercetin Dihydrate is a naturally occurring flavonoid commonly found in fruits, vegetables, and grains. It is well-known for its antioxidant, anti-inflammatory, and immune-supporting properties.
2. What are the main health benefits of Quercetin Dihydrate?
Quercetin Dihydrate may help:
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Reduce oxidative stress and inflammation
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Support immune system function
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Promote cardiovascular health
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Alleviate allergy symptoms
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Support metabolic health, including blood sugar regulation
3. What are the main applications of Quercetin Dihydrate?
Quercetin Dihydrate is widely used in:
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Nutraceuticals & Dietary Supplements: capsules, tablets, powders, and beverages
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Functional Foods: fortified foods and health drinks
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Cosmetics & Skincare: anti-aging and antioxidant formulations
4. What is the purity and quality of your Quercetin Dihydrate?
Our Quercetin Dihydrate is ≥95% pure (HPLC tested), produced in ISO 9001 and ISO 22000 certified facilities, and meets HACCP, Halal, and Kosher standards.
5. What is the source of your Quercetin Dihydrate?
It is derived from high-quality fruits, vegetables, and grains using advanced extraction and purification technologies to ensure bioactivity and consistency.
6. In what forms is Quercetin Dihydrate available?
We supply Quercetin Dihydrate in powder form suitable for bulk use, as well as custom OEM/ODM formulations for dietary supplements, functional foods, and cosmetics.
7. Is Quercetin Dihydrate safe for consumption?
Yes. It is produced under strict GMP and safety standards, non-GMO, and free from harmful contaminants.
8. How should Quercetin Dihydrate be stored?
Store in a cool, dry place away from direct sunlight and moisture to maintain stability and bioactivity.
9. Can Quercetin Dihydrate be combined with other ingredients?
Yes. It can be formulated with other vitamins, minerals, and botanical extracts to create synergistic health supplements and functional products.
10. Do you offer customization or OEM/ODM services?
Yes. We provide bulk supply, custom formulations, labeling, and packaging to meet the specific needs of manufacturers, formulators, and retailers globally.
11. What is the recommended dosage?
Dosage varies depending on product type, formulation, and health goals. Consult a qualified health professional for specific guidance.
12. How can I request a sample or place an order?
Contact our sales team via email or website. We provide COA, product specifications, and samples for evaluation.





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