Product
0102
Resveratrol Powder Polygonum Cuspidatumt
Products Description
Resveratrol Powder from Polygonum Cuspidatum (Japanese Knotweed)
A natural, plant-derived polyphenol designed for anti-aging, metabolic, and formulation-focused applications. Resveratrol Powder from Polygonum cuspidatum—also known as Japanese Knotweed Resveratrol, Polygonum Cuspidatum Extract, or Natural Trans-Resveratrol Powder—is a high-purity polyphenol widely used in anti-aging supplements, functional foods, and cosmetic formulations. is a powerful polyphenol found naturally in Japanese knotweed, grapes, and berries. Known for its anti-aging, cardiovascular support, and antioxidant benefits, it helps reduce oxidative stress, protect cells, and activate SIRT1 (the longevity gene). As demand for natural longevity supplements continues to grow, resveratrol continues to be a key ingredient in dietary supplements, functional foods, and skin care products.
Our high-purity resveratrol powder is extracted from Japanese knotweed, which is more concentrated, stable, and economical than grape-derived alternatives. By using advanced solvent extraction and chromatography techniques, we achieve over 98% purity, effectively eliminating impurities such as rhamnosides that can cause gastrointestinal discomfort. Unlike many standard resveratrol products, our formula has low odor, high solubility, and consistent particle size, making it ideal for easy incorporation into capsules, tablets, and functional beverages.
Active Component: Trans-Resveratrol
The key bioactive compound in this product is trans-resveratrol, the biologically active isomer responsible for most of resveratrol’s researched benefits. It is well known for its antioxidant capacity and its role in cellular protection, longevity-related pathways, and metabolic balance. Compared with synthetic resveratrol, plant-derived trans-resveratrol from Polygonum cuspidatum offers clearer source traceability and stronger acceptance in natural, clean-label formulations.
Market Perspective
Today, resveratrol continues to be a cornerstone ingredient in the anti-aging, cardiovascular, and NAD⁺-related supplement markets, while also expanding into skin care, beauty-from-within, and premium cosmetic formulations. As consumer awareness grows, brands are increasingly prioritizing natural origin, isomer content, and formulation compatibility, rather than just headline purity numbers. This shift has made Polygonum cuspidatum resveratrol the preferred choice for long-term brand development.
Our Approach & Product-Specific Advantages
From our perspective as a long-term botanical extract manufacturer, the real differentiation of Polygonum Cuspidatum Resveratrol Powder lies not only in purity, but in process control and application consistency. We focus on:
1. Stable trans-resveratrol ratios, ensuring batch-to-batch consistency for finished products
2. Controlled extraction and purification, reducing unwanted by-products that can affect color, odor, or formulation stability
3. Flexible specification options, supporting different dosage designs across supplements, cosmetics, and functional blends
4. Because resveratrol is highly sensitive to oxidation and formulation conditions, this level of control directly impacts shelf life, sensory performance, and final product reliability—areas where many generic resveratrol powders fall short.
OEM & Customization Support
Beyond supplying bulk Resveratrol Powder / Polygonum Cuspidatum Extract, we also integrate this ingredient into OEM and private-label solutions, including:
1. Customized purity and particle size for capsules, tablets, and sachets
2. Formula support for anti-aging, NAD⁺ support, and beauty-focused products
3. Compatibility guidance for combining resveratrol with ingredients such as NMN, pterostilbene, quercetin, or vitamin blends
4. This allows brands to move faster from raw material sourcing to market-ready products, while maintaining a clear botanical positioning.
Why our resveratrol powder?
1.Superior purity and potency:
Our resveratrol powder is purified using advanced solvent extraction and chromatography techniques to achieve over 98% purity. We also remove rhamnosides that can cause gastrointestinal discomfort, providing users with a smoother experience.
2.Enhanced absorption and bioavailability:
We optimize the solubility of resveratrol through particle size reduction and hydrocolloid encapsulation technology, resulting in faster absorption by the body.
3.Reliable and consistent quality:
Each batch of our resveratrol powder is rigorously tested to ensure stability and consistent potency. We control manufacturing conditions such as temperature and humidity, and monitor light during storage to maintain the highest quality throughout the shelf life.
4.Low odor, easy to mix:
Unlike many resveratrol powders that have a strong or bitter taste, our resveratrol powder is virtually odorless and can be easily incorporated into supplements, capsules, or functional beverages without affecting the consumer experience.
Manufacturing process chart
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COA
| Test Item | Specification | Result | Test Method |
| Appearance | White powder | White powder | Visual Inspection |
| Purity | ≥98% | 98.2% | HPLC |
| Loss on Drying | ≤1.0% | 0.5% | Oven Drying Method |
| Heavy Metals | ≤10 ppm (Lead) | <5 ppm | ICP-MS |
| Arsenic (As) | ≤1.0 ppm | <0.5 ppm | ICP-MS |
| Cadmium (Cd) | ≤1.0 ppm | <0.5 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | <0.05 ppm | ICP-MS |
| Microbial Limits | Total Plate Count ≤1000 CFU/g | <500 CFU/g | Standard Plate Count Method |
| E. coli | Negative | Negative | PCR |
| Salmonella | Negative | Negative | PCR |
| Residue on Ignition | ≤0.5% | 0.3% | Ignition Method |
| Rhamnosides (Impurity) | ≤0.1% | <0.05% | HPLC |
| Particle Size (D90) | <100 μm | 80 μm | Laser Diffraction |
| Solubility (in water) | ≥80% | 85% | Solubility Test |
| pH Value (1% Solution) | 4.0 - 6.0 | 5.2 | pH Meter |
| Assay of Resveratrol | ≥98% | 98.2% | HPLC |
| Total Plate Count | ≤1,000 cfu/g | 50 cfu/g | Plate Count |
Common Applications of Resveratrol Powder
1.Dietary Supplements:
Resveratrol has antioxidant and anti-aging properties that support cardiovascular health and reduce oxidative stress. 100 mg to 500 mg daily, 250 mg is effective for antioxidant effects.
2.Functional Foods and Beverages:
Resveratrol can enhance vitality, longevity, and skin health, such as smoothies and energy drinks. The usual daily dose is 250 mg.
3.Skin Care Products:
Resveratrol is used in creams, lotions, and serums to help reduce wrinkles and improve skin elasticity. Topical applications are usually in lower doses.
4.Sports Nutrition:
It aids muscle recovery, reduces inflammation, and improves athletic performance. A daily dose of 250 mg can counteract oxidative damage caused by intense activity.
Resveratrol Source & Partner
Partner with a direct manufacturer to secure high-purity Resveratrol extracted from premium Polygonum cuspidatum. As a bulk supplier fully equipped for OEM projects, we provide the reliable raw materials you need for anti-aging serums, daily skincare lines, and high-end cosmetic formulations. Our production facility carries all essential global certifications, ensuring every batch meets the strict safety standards required for international distribution. By cutting out the middlemen, we offer a consistent supply chain and the competitive pricing necessary to scale your brand.Reach out to us at info@btncbio.com to discuss your specifications or request a sample for your next product launch.