We have five factories and 19 years of experience in plant extracts
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Giant Knotweed Extract

Giant Knotweed Extract
Giant Knotweed Extract
Giant Knotweed Extract

Knotweed Extract Powder, a powder extracted from high-quality Knotweed plants, is rich in beneficial ingredients such as resveratrol, antioxidants and multivitamins, which give it unique functional properties. It is widely used in the food, nutraceutical and pharmaceutical industries to add nutritional value, improve health, and provide antioxidant protection. Knotweed extract powder also helps improve immune system function and has anti-inflammatory effects.

As a professional knotweed extract powder supplier and exporter, GreenSkyBio is committed to providing the highest quality products. Our knotweed extract powder undergoes strict quality control to ensure every batch meets your high requirements.

Feel free to contact us to learn more about how GreenSkyBio Polygonum Cuspidatum Extract powder can fit your product needs. If you have any questions or needs about our products or services, please feel free to send an email to sales@greenskybio.com, we look forward to working with you.


nameGiant Knotweed Extract
Exteriorbrown powder
Attributesherbal extracts, plant extracts, resveratrol
purity98% Resveratrol
Product ingredientsResveratrol, emodin, anthraquinones
sourceExtracted from the root of Polygonum cuspidatum (giant knotweed)
useAntioxidant, anti-aging, dietary supplements
Test MethodsHigh performance liquid chromatography (HPLC), UV-visible spectroscopy
We have 5 factories and 19 years of experience in plant extracts. welcome your inquiries and will respond to any questions you have within 24 hours. Thank you.
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