Top Suppliers Of L-glutathione Reduced (GSH) in China
Oct 25, 2025
L-glutathione reduced (or GSH for short) is a natural substance your body already makes-think of it like a tiny "protector" for your cells. It helps your body handle things that can stress cells (like everyday toxins or wear from regular activity) and supports things like healthy energy levels and balanced cell function. While your body makes its own, some people also take it as a supplement (usually in capsules, powders, or liquids) to give their body an extra boost-no fancy science needed to understand it; it's basically a simple way to help keep your cells working well, just like how you might take a vitamin for overall health.

Hangzhou Lianzheng Chemical Co., Ltd. Website:www.hzlzchems.com
Hangzhou Lianzheng Chemical Co., Ltd.is an ISO9001 approved company,a professional modern enterprise specialized in Cosmetic ingredients ,Active Pharmaceutical Ingredients,Intermediates and Fine chemicals, engaged in R&D, production and sales, located in Huacai Enterprise Park, adjacent to West Lake Science and Technology Park. Now our company mainly has two departments, one is working for raw material used in Pharmaceutical area,and the other Cosmetics ingredients for beauty and for health care. Now we have advanced test equipment and production line of international standard to ensure the stability of our products quality.
Because of the technical development department working for product developing for many years,we also help our customer to develop or improve product to lower the price,or enhance the quality.Our goal is to grow together in the professional field for a long time with reliable product quality and reasonable price.
For another,we cooperate in good faith for the purpose, insist on develop international markets. The service aim is to become a best supplier for cooperated customers with youthful vigor, quick and professional response to win the trust. Adhere to continuous improvement of the quality control, insist on the quality first, provided satisfactory service to establish the stable relationship. We care for customers concerns regarding product quality, health factors, price controls, production costs, on-time deliveries, environmental issues, and warranty feedback.
Now products are exported to Europe, South America, America, Southeast Asia and other regions. Our unswerving commitment to pharmaceutical and chemical industry to continuously build advantage for the general partners to provide long-term and stable supply.
Analysis and testing raw materials and auxiliary materials before purchasing, toxic substance testing, on the spot investigation on manufacturers of raw materials, recordkeeping, purchasing from given suppliers and testing on each batch of products for production of auxiliary materials.
Re-testing for the main indexes after previous steps. Total quality control and communicate with our customers according to:
● Management System
● Supply Chain Management
● Statistical Process Control
● Non-Conforming Management
● Lab Measurement System
● Disaster Recovery and Business Continuity
● Operational Planning and Control
● Change Management
Anyway, keeping contacting with our customers is the most important thing to make sure the product quality meet as requirement at any time.

North China Pharmaceutical Corporation Limited
North China Pharmaceutical Group is a leading enterprise in China's biopharmaceutical industry and has established a complete industrial chain from strain cultivation to finished product purification in the field of GSH production. The company adopts an advanced enzyme-catalyzed coupled fermentation process, reducing production costs by over 15% and achieving a large-scale supply of 28 tons of GSH raw materials annually.
Jiangxi Kelun Pharmaceutical Co., LTD
Relying on the advantages of the large-volume infusion industrial chain of Kelun Group, Jiangxi Kelun has achieved an integrated layout of raw materials and preparations in the production of GSH. The company has built a fully automatic closed production line. In 2024, the production capacity of GSH raw materials will reach 32 tons. The purity of the products is all above 99%, and it has passed the dual certifications of ISO 9001 and GMP.
Jiangsu Wanbang Biochemical Pharmaceutical Group Co., LTD
Wanbang Biochemical is a leading enterprise in the domestic GSH preparation field and also has a strong self-supply capacity for raw materials. The company possesses patented fermentation strains. In 2024, the self-supply rate of GSH raw materials will reach 85%, and the GSH for injection produced in conjunction will achieve sales revenue of 8.74 million US dollars, accounting for 28.1% of the domestic formulation market.
Bangtai Bioengineering (Shenzhen) Co., LTD
As an emerging technology supplier, Bangtai Bio focuses on the research and development and production of high-purity GSH. Its patented product has a purity of over 98.0% and adopts a unique membrane separation and purification technology, effectively reducing the risk of heavy metal residues. The company focuses on small-batch customization services and can provide various packaging specifications ranging from 50g to 25kg. Its response speed in stock is industry-leading. In 2024, the sales volume of cosmetic-grade GSH exceeded 15 tons, and its customers include many cross-border beauty brands. In terms of technological innovation, the liposome composite GSH developed in collaboration with universities has an oral absorption rate more than three times higher than that of ordinary products and has now entered the pilot production stage.
