N-Acetyl-L-Cysteine (NAC) | 500 mg - 90 Capsules

Please note this product is discontinued by Douglas Labs. For the equivalent product & dosage please see: NAC by Thorne | 500 mg - 90 Capsules  N-Acetyl-L-Cysteine vegetarian capsules contain 500 mg pure N-Acetyl-L-Cysteine. N-Acetyl-L-Cysteine is a biologically active precursor for the amino acid cysteine which, in turn, is a precursor for glutathione, a tripeptide with antioxidant properties. Body cells and tissues are threatened continuously by damage caused by toxic free radicals and reactive oxygen species (e.g., peroxides) which are produced during normal oxygen metabolism, by other chemical reactions, and by toxic agents in the environment. Free radicals, once formed, are capable of disrupting metabolic activity and cell structure. When this occurs, additional free radicals are produced which, in turn, can result in more extensive damage to cells and tissues. The uncontrolled production of free radicals is thought to be a major contributing factor to many degenerative dise