A concentrated form of cysteine in peptide bonded from hydrolysed whey protein. Cysteine has been shown to support glutathione production via the liver.* The body utilizes glutathione in support of liver detoxification, necessary for optimal health.* Research suggests that cysteine peptides are a preferred form of cysteine delivery.* CysteinePep¨ contains 200 mg of cysteine per serving.