L-Glutathione Powder Product Description Glutathione (GSH) is a tripeptide that contains an unusual peptide linkage between the amine group of cysteine (which is attached by normal peptide linkage to a glycine) and the carboxyl group of the glutamate side-chain.It is an antioxidant, preventing damage to important cellular components caused by reactive oxygen species such as free radicals and peroxides. L-Glutathione Powder Specification Product Name L-Glutathione CAS No 70-18-8 Appearance White crystalline powder Specification 99% Test Method HPLC L-Glutathione Powder Function Daily nutraceuticals & Dietary supplement  –(food /cosmetic grade) Anti-aging, antioxidant, maintain skin vigor and luster. Whitening skin: restraining the melaninImprove immunity: enhance immune cells function effectively prevent viruses. Drug treatment and prevention (pharmaceutical grade) Protect liver: prevention & treatment of liver diseases. L-Glutathione Powder Sample 20g sample for free Convenient DHL,FEDEX,UPS and EMS service How do you use L-Glutathione powder? Beginner: Add 1 tube to 4 oz of your favorite base cream or water-based formula. Advanced: This ingredient is recommended for … Continue reading L-Glutathione Powder