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Alternate Names: Oxothiazolidinecarboxylic acid, Koprosteine
CAS No: 19771-63-2
PubChem CID: 72390
Mol Formula: C4H5NO3S
Mol Weight: 147.15 g/mol
IUPAC Name: (4R)-2-oxo-1,3-thiazolidine-4-carboxylic acid
API Description: Procysteine is a stable prodrug of cysteine, used to boost the body's glutathione levels, acting as a powerful antioxidant to fight oxidative stress, particularly in skincare for anti-aging, and studied for conditions like alcoholic myopathy and HIV, though it's primarily for research and not approved for human/veterinary use. It works by releasing cysteine inside cells, which is vital for glutathione synthesis, protecting against damage from free radicals, and supporting skin, hair, and overall cellular health.