Best Pure Resveratrol Powder
Best Pure Resveratrol Powder
As a specialized supplier of botanical extracts, Kintainutri® employs advanced extraction processes to ensure the Best Pure (98%) and biological activity of resveratrol powder. Our products comply with ISO9001 quality management system and ISO22000 food safety management system certificates to meet the compliance requirements of the global market. We support customized packaging (e.g. 25kg/drum, 1kg/bag or customer-specific specifications) and provide full COA (quality inspection report and third party test report to ensure product traceability, safety and reliability.
Resveratrol Global Compliance Certifications
Resveratrol has been certified in many countries for a wide range of applications. Resveratrol Powder is certified in different countries and regions as follows:
United States (FDA):
GRAS certification: for food and dietary supplements ;USP standard: partially High purity resveratrol meets pharmaceutical grade standards
European Union (EC) :
Novel Food Approval: Fermented resveratrol is approved for sale in the 27 countries of the European Union; EC 1924/2006: meets the requirements for food supplements in the EU; COSMOS Organic: applies to naturally extracted resveratrol
United States (FDA):
GRAS certification: for food and dietary supplements ;USP standard: partially High purity resveratrol meets pharmaceutical grade standards
European Union (EC) :
Novel Food Approval: Fermented resveratrol is approved for sale in the 27 countries of the European Union; EC 1924/2006: meets the requirements for food supplements in the EU; COSMOS Organic: applies to naturally extracted resveratrol
Japan:
JP Standard: meets the requirements for pharmaceutical grade; Non-GMO certification: applies to food and nutraceuticals;
China:
NMPA filing: some pharmaceutical grade resveratrol complies with the standard; National Standard for Food Safety: applies to food additives and nutraceuticals
JP Standard: meets the requirements for pharmaceutical grade; Non-GMO certification: applies to food and nutraceuticals;
China:
NMPA filing: some pharmaceutical grade resveratrol complies with the standard; National Standard for Food Safety: applies to food additives and nutraceuticals
Other international certifications:
Halal & Kosher: applies to Specific Market Demands; ISO 9001/ISO 22000: some manufacturers have passed the quality management system certification
Halal & Kosher: applies to Specific Market Demands; ISO 9001/ISO 22000: some manufacturers have passed the quality management system certification
High Purity & High Bioactivity
Kintainutri® adopts supercritical CO₂ extraction technology, with resveratrol purity as high as 98% HPLC, avoiding organic solvent residues and ensuring product safety and efficiency.
Customized Service
We support OEM/ODM, and we can provide resveratrol with different specifications (powder, microencapsulation), different purity (50%-98%), and we can adjust the formulations according to the needs of customers.
Stable Supply & Technical Guarantee
Kintainutri® has its own factory with an annual production capacity of 50 tons + to ensure stable delivery of large volume orders; professional R&D team provides formulation optimization and application technical support.
Strict quality control
From raw material cultivation to finished product delivery, Kintainutri® has full GMP standard control, and provides full test reports of microorganisms, heavy metals, solvent residues, etc. for each batch.
what is Pure Resveratrol Powder
Resveratrol is a natural polyphenolic compound mainly derived from grape skins, tiger nuts, blueberries and other plants. Kintainutri® pure Resveratrol powder is refined through modern extraction techniques (supercritical CO₂ extraction), with a purity of over 98%, ensuring high biological activity.
Main Functions and Effects
Antioxidant & Anti-aging: Resveratrol is used to neutralize free radicals and slow down cellular aging.
Cardiovascular protection: It helps to maintain healthy blood lipids and blood circulation.
Anti-inflammatory & Metabolic Regulation: It can potentially support blood sugar management and inflammation control.
Cosmetic Skin Care: Resveratrol can also be used as a cosmetic ingredient for anti-wrinkle and skin tone brightening.
It is widely used in nutraceuticals, pharmaceuticals, and cosmetics and is a popular ingredient in natural health formulations.
Partner with us for competitive wholesale pricing, flexible MOQs, and reliable global logistics. Contact us today for a quote!
Contact us Pure Resveratrol Powder Production Process
Kintainutri® Pure Resveratrol Powder is produced through a highly controlled multi-stage process to ensure maximum purity(98%), potency and safety. The following is a detailed breakdown of our production workflow:
1. Collecting high quality raw materials: Kintainutri® selects fresh, dried grape skins, Brazilian red grapes and other plants as raw materials for extraction;
2. Crushing raw materials: our researchers crush the raw materials to increase the extraction efficiency;
3. solvent selection: then select the appropriate solvent for extraction, commonly used ethanol, methanol, etc..
Second, the extraction steps
1. solvent extraction: we mix the crushed raw materials with solvent to soak and extract Resveratrol;
2. Filtration and separation: Kintainutri® filters and separates the extracted solution to obtain a solution containing Resveratrol;
3. Concentration: Kintainutri® concentrates the solution to increase the concentration of Resveratrol;
4. Crystallization: control the conditions to make Resveratrol crystallize and increase the purity;
5. Drying: We dry the crystallized Resveratrol to obtain the final product.

Pure Resveratrol Powder Specification
| ITEMS | Standards |
| Assay | ≥98.3% |
| Appearance | White powder |
| Water solution | Transpency, colorless, none suspendedmatetrs |
| Melting point | 202~206±0.5℃ |
| Optical rotation | ±174~186° |
| pH | 5.0~7.0 |
| Loss on drying | ≤0.5% |
| Lgnition residue | ≤0.5% |
| Heavy Metal | ≤20ppm |
| Arsenic (As) | ≤2ppm |
| Microbiology | |
| Total of bacteria | ≤1000cfu/g |
| Fungus | ≤100cfu/g |
| Salmonella | Negative |
| E.Coli | Negative |
| Conclusion: the test results conform to enterprise standards |
Pure Resveratrol Powder Application
Kintainutri® high purity resveratrol shows unique advantages in several high-end fields due to its excellent purity and stability:
1. Pharmaceutical grade applications (purity ≥98%)
It is widely used as an API (Active Pharmaceutical Ingredient) in the development of cardiovascular and anti-aging drugs.
Our clinical research grade products are ideal for drug carriers and targeted therapy research due to their high bioavailability.
2. High-end Nutraceuticals (95%~98% purity)
Resveratrol in capsules/tablets ensures precise dosage and avoids impurities from interfering with efficacy.
Its excellent solubility allows it to be perfectly integrated into functional beverages, keeping the activity stable.
3. Cosmeceuticals (purity ≥ 90%)
Kintainutri® Resveratrol's small molecular structure allows it to penetrate the skin easily, and with the microencapsulation technology, it can prolong the slow-release effect.
Its high purity makes it an excellent ingredient for medical dressings, promoting skin repair and photoprotection.
4. Scientific research and customization
We provide HPLC grade purity (≥98%) products to ensure the accuracy of experimental data.
Kintainutri® supports ODM solutions, and parameters such as particle size and embedding technology can be adjusted according to requirements.
Core values of Kintainutri® Resveratrol:
🔬 Zero solvent residue - meets FDA/EP standards for pharmaceutical excipients
💎 Batch stability - GMP production ensures consistency of ingredients between batches
🌐 Global Compliance - meets regulatory requirements for ingredient purity in all regions

Pure Resveratrol Powder Dosage
| Application | Recommended Dosage | Purity Requirement | Notes |
|---|---|---|---|
| Nutraceuticals | 50-500 mg/serving | 95-98% | Typical capsule/tablet formulations |
| Functional Beverages | 10-50 mg/100ml | ≥95% | Enhanced solubility needed |
| Cosmetics (Serums) | 0.5-2% w/w | ≥90% | Often combined with carriers |
| Pharmaceutical | 100-1000 mg/dose | ≥98% HPLC | Requires clinical validation |
Key Note:
All dosages are based on the active ingredient Resveratrol; dosage may need to be adjusted based on bioavailability enhancement techniques; must meet local regulatory requirements
Minimum order: from 1kg
Safety of Pure Resveratrol Powder
Kintainutri® Pure Resveratrol (≥98%) has been purified through a rigorous purification process to effectively remove impurities and solvent residues, and meets the safety standards of FDA GRAS and EU EC 1924/2006. Clinical studies have shown that high-purity Resveratrol is more bioavailable and has no significant toxic side effects, making it suitable for long-term use.
Why Choose Kintainutri® Pure Resveratrol Powder?
Kintainutri® specializes in pharmaceutical-grade, high-purity Resveratrol powders, and our products' strength comes from the ultimate pursuit of purity:
It uses supercritical CO₂ extraction technology to achieve a consistent purity of ≥98%, far exceeding the industry standard.
Our GMP factory ensures zero solvent residue in every batch of product (detection limit <0.01%).
Core reasons to choose us:
✦ Its high bioavailability formulation increases efficacy by more than 30%
✦ We support customization (purity/particle size/embedding technology)
✦ Kintainutri® provides global compliance documentation (COA/MSDS/toxicology reports)
Place your order now and experience the unique charm of Kintainutri®!
Shipping & Packaging
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● Packaging: Inside food grade bag, outer aluminum foil bag.25kg use double-layer plastic container/fiber drum.Or your choice.● OEM Service Available: Customized packaging available, click here to know more.● Shipping: DHL / FEDEX / EMS/ BY AIR / BY SEA● American Warehouse: KINTAI put over 100 natural plant extract ingredients in our US warehouse for fast delivery.● Payment: We accept payment by T/T, L/C, Paypal, and Wester Union.Please contact us and we will guide you with an easy and professional way for your order.
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