L-Cysteine, often encountered in its derivative form H-Cys-OH, is a sulfur-containing amino acid that plays a fundamental role in human health and well-being. Beyond its critical functions in protein structure and peptide synthesis, L-Cysteine is a key precursor to glutathione, one of the body's most potent endogenous antioxidants. This makes it a compound of significant interest in the nutraceutical and health supplement industries, where its properties are harnessed to support cellular health and combat oxidative stress.
As a primary component in the synthesis of glutathione, L-Cysteine is vital for maintaining cellular redox balance. Glutathione acts as a powerful scavenger of free radicals, protecting cells from damage caused by oxidative stress, environmental toxins, and inflammation. For consumers seeking to bolster their antioxidant defenses, supplements containing L-Cysteine or its derivatives are often considered. When manufacturers formulate these products, they rely on a consistent supply of high-quality H-Cys-OH from reputable suppliers.
Key Health and Wellness Roles of H-Cys-OH:
For companies in the health and wellness sector looking to incorporate the benefits of L-Cysteine into their products, securing a reliable source of H-Cys-OH is paramount. The quality and purity of the H-Cys-OH directly impact the efficacy and safety of the final supplement or cosmetic formulation. We are a dedicated manufacturer and supplier of high-quality H-Cys-OH, offering competitive pricing and reliable supply for your manufacturing needs. Whether you are developing a new antioxidant supplement or a skin-care product, partnering with a trusted H-Cys-OH supplier like us ensures you receive a premium ingredient. Contact us today to inquire about purchasing H-Cys-OH and explore how it can enhance your product line.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.