trans-Resveratrol 98% (Polygonum Cuspidatum Extract)

Trans-Resveratrol 98% from Polygonum cuspidatum (Japanese Knotweed) or Vitis vinifera (Grape) extract. Sourced through qualified production partners for dietary supplement manufacturers.

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Available Specifications

Per RES-001 (Verified 2026-09-20):

Specifications subject to product requirements and destination-market regulations.

Product Overview

Technical Specifications

All specifications subject to product specification and destination-market requirements.

Quality & Documentation

• Certificate of Analysis (COA) per batch with HPLC verification of trans-Resveratrol
• Heavy metals testing panel (Pb, As, Cd, Hg) via ICP-MS
• Microbiology panel per USP
• Material Safety Data Sheet (MSDS) documentation
• Non-GMO statement
• Allergen statement
• Third-party SGS testing available upon request

Applications

• Dietary Supplements: Considered for use in antioxidant, longevity, and cardiovascular health formulations.
• Functional Food & Beverage: Considered for fortification in functional beverages (longevity, antioxidant).
• Cosmeceuticals: Considered for use in topical skincare formulations (anti-aging, antioxidant).
• Sports Nutrition: Considered for use in endurance and recovery formulations.

Why Source from Nourish Ingredients?

1. Specification Matching: Three trans-Resveratrol levels (50%, 98%, 99%) for formulation flexibility.
2. Supplier Verification: Production partners maintain FSSC 22000, BRCGS, EU Organic, Non-GMO Project certifications.
3. Sample Comparison: 25-100g samples available for specification evaluation.
4. Third-Party Testing: SGS verification available for trans-Resveratrol, heavy metals, and microbiology.
5. Documentation Support: Comprehensive documentation package including COA, MSDS, allergen, and Non-GMO statements.

Supply & Ordering

• Sample Availability: 25-100g samples available; standard samples ship within 5-7 business days.
• Minimum Order Quantity (MOQ): 1 kg for high-purity specifications; smaller quantities for evaluation.
• Lead Time: 7-15 business days from order confirmation.
• Packaging: 1 kg / 5 kg aluminum foil bag with double food-grade PE liner; custom packaging available.
• Shipping: Worldwide shipping via air, sea, or courier; documentation prepared for customs clearance.

Frequently Asked Questions

Q1: What's the difference between Resveratrol 50%, 98%, and 99%?

The 50%/98%/99% difference reflects trans-Resveratrol content measured via HPLC. 50% is the standard Polygonum Cuspidatum extract (also contains Emodin); 98%+ is high-purity trans-Resveratrol (Emodin-reduced). 99% is pharmaceutical grade.

Q2: What is Resveratrol?

Resveratrol is a stilbene polyphenol found in red wine, grapes, and Japanese knotweed. The trans- form is bioactive. It is considered a longevity and cardiovascular support compound, with antioxidant and SIRT-activating properties.

Q3: Can Resveratrol be combined with other ingredients?

Resveratrol is commonly combined with Pterostilbene, Quercetin, NMN, and Vitamin E in longevity formulations. We recommend consulting with your formulation team.

Q4: What's the regulatory status in the EU?

trans-Resveratrol is permitted as a food supplement ingredient in the EU. Specific regulatory status depends on intended application and labeling.

Q5: How is Resveratrol content measured?

trans-Resveratrol content is quantified via HPLC with UV detection at 306 nm per USP / industry-standard methods. cis-Resveratrol isomers are also resolved.

Q6: What's the typical MOQ?

Standard MOQ is 1 kg. Smaller quantities (100-500g) are available for evaluation.

Q7: Do you offer custom specifications?

Yes. Custom specifications (e.g., specific trans-Resveratrol content, Emodin-reduced, particle size, packaging) can be discussed with our coordination team.

Q8: What documentation is available?

Standard documentation includes COA, MSDS, allergen statement, Non-GMO statement. Additional documentation available upon request from production partners.

Related Resources

• Resveratrol for Dietary Supplements →
• How to Verify Botanical Extract Quality: 12 Points →

Request Sample & Quote

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Compliance Note

Data marked as "typical" reflects industry standards; specific values vary by supplier and batch. Documentation including COA, MSDS, allergen, and Non-GMO documentation is available upon request from production partners.

About Nourish Ingredients: We are a China-based sourcing partner for botanical extracts and nutraceutical ingredients. We coordinate supply for international brands — from specification matching to delivery. Production partners maintain FSSC 22000, BRCGS, EU Organic, USDA Organic, FAMI-QS certifications. Documentation available upon request.

For ingredient sourcing inquiries: ashely@nourishingr.com

Reviewed by: Nourish Ingredients Editorial Team   Version: 2.3   Last updated: 2026-09-20