Organic Polygonum Cuspidatum Extract Capsule

Product Overview

Polygonum Cuspidatum Extract Capsules are a premium nutraceutical dosage form delivering high-purity resveratrol , derived from Japanese Knotweed root. As one of the most efficient delivery formats in Plant Extracts, capsules offer convenience, precise dosing, and enhanced market acceptance across global supplement brands.

Widely used in Nutritional Ingredients, Anti-aging Ingredients, and Herbal Extracts, these capsules are particularly востребованы in the US, EU, and AU markets. B2B buyers prioritize standardized resveratrol content, stable supply chains, and full-service Capsule Manufacturing with private label capabilities.

Content Note: Prepared by our technical team based on current scientific literature. Health claims comply with FDA/EFSA guidelines. Last reviewed: April 2026

According to a study in Nature (2006), resveratrol may activate sirtuin pathways linked to longevity in model organisms.

According to a study in Cell Metabolism (2008), resveratrol demonstrated potential benefits in metabolic function and mitochondrial activity.

Key Ingredients & Specifications

Differentiation Content

Dosage Strength vs Market Positioning

Capsule vs Powder Form Comparison

Recommended Formula Combinations

• Resveratrol 200 mg + NMN 250 mg for longevity products
• Resveratrol 150 mg + Quercetin 250 mg for antioxidant synergy
• Resveratrol 100 mg + Vitamin C for immune and oxidative support

Applications & Benefits

Polygonum Cuspidatum Extract Capsules are widely used in:

• Dietary Supplements: Antioxidant and longevity-focused capsules
• Sports Nutrition: Recovery and cellular health
• Healthy Aging Products: Premium Anti-aging Ingredients
• Functional Nutrition: Daily wellness formulations

Studies suggest resveratrol may support:

• Oxidative stress reduction
• Healthy aging pathways
• Metabolic and cardiovascular function

Why Choose Us – Quality, Certifications & OEM Capability

We provide complete Supplement Contract Manufacturing solutions for global brands.

• Certifications: ISO, HACCP, GMP, Organic, Kosher, Halal
• OEM Services: Full Capsule Manufacturing and private label
• Dosage Forms: Capsules, tablets, softgels, powders, gummies
• Customization: Formula design, packaging, branding
• MOQ: Flexible for startups and bulk buyers
• Lead Time: 3–5 weeks depending on customization

We also supply Plant Extracts, Antioxidants, Vitamins, and integrated solutions for Softgel Manufacturing and Gummy Manufacturing.

Frequently Asked Questions

What resveratrol content do your capsules provide?

We offer capsules standardized to 50% or 98% trans-resveratrol, depending on formulation requirements.

Can you customize capsule dosage?

Yes, we support 100 mg to 500 mg per capsule or custom dosages.

Do you offer vegetarian capsules?

Yes, HPMC plant-based capsules are available.

What packaging options are available?

Bottles, blister packs, and bulk packaging can be customized.

Do you support private label?

Yes, we provide full OEM services including branding, formulation, and packaging.

Shaanxi Kaishi Biotechnology Co. LTD,., was established in june 2022. It is a professional animal and plant extracts modern and advanced enterprise object, pharmaceutical intermediates, and natural active ingredients. In the development, production and marketing, is very powerful. Headquartered in Henan. It has a research and development center and the Analysis and Testing Center, with strong comprehensive national strength. The company has 200 acres of experimental field of plant cultivation, extraction, distillation, rectification, chromatography, three specialized production lines, as well as 10,000 square meters of GMP standard workshop..