Natural Plant Extracts: The natural plant extracts segment is our core business. Since its establishment, the company has built a global direct procurement system for plant-based raw materials and established its own organic cultivation bases. To date, it has accumulated and managed over 200 varieties of plant extracts. Through continuous innovation and the implementation of an effective quality control system, the "multi-variety, one-stop procurement" strategy serves as the foundation for Ningbo Bestknow Nutrition INC. to serve its clients.



Anthocyanidins 18-25%UV
Anthocyanins 25-36% HPLC



Anthocyanidins 18-25%UV
Anthocyanins 25-36% HPLC


Proanthocyanidins 1-50% UV
Proanthocyanidins 1-15% BL-DAMC



Anthocyanidins 1-25%UV
Polyphenols 1-40%UV









Proanthocyanidins 95%UV
Polyphenols 60-95%UV












Agnuside 0.1-2% HPLC
Aucubin 0.1-1%HPLC


