Introducing Polygonum cuspidatum extract, a high-quality botanical ingredient supplied by Ningbo J&S Botanics Inc. As a leading manufacturer, factory, and supplier based in China, we take pride in delivering premium natural extracts to our customers worldwide. Our Polygonum cuspidatum extract is sourced from the Japanese knotweed plant, known for its rich reserves of resveratrol, a powerful antioxidant with numerous health benefits. Our extraction process ensures the preservation of the plant's active compounds, resulting in a potent and pure extract suitable for a wide range of applications, including dietary supplements, skincare products, and functional foods. We guarantee the quality and authenticity of our Polygonum cuspidatum extract, as well as the compliance with strict industry standards and regulations. Partner with Ningbo J&S Botanics Inc. for all your botanical extract needs and experience the difference of working with a trusted and reliable supplier.