Zesin Biotechnology Co., Limited, headquartered in Shanghai, China, is a professional supplier of high-quality functional dietary supplement ingredients and food additives. We specialize in bridging China's world-class manufacturing capabilities with the global nutraceutical industry.
Since our establishment, we have built an extensive supply network spanning amino acids, plant proteins, vitamins, minerals, herbal extracts, joint health ingredients, and functional compounds. Our products serve diverse applications including sports nutrition, dietary supplements, functional foods, and personal care formulations.
To be the most reliable partner between China's premium ingredient manufacturers and global health & nutrition brands, delivering value through quality, transparency, and long-term partnership.
No middlemen, better prices, better control over quality and delivery timelines.
COA/TDS/MSDS with every shipment. Complete traceability from raw material to finished product.
We speak your language on specs and compliance. Understanding of EU, FDA, and international regulations.
O/A 30-90 days for qualified buyers. T/T, L/C payment options available.
Free samples for qualified R&D evaluation. Help you verify quality before bulk orders.
We build relationships, not just transactions. Your success is our success.
Contact us today to discuss your ingredient requirements and discover the ZesinBio difference.