Semen naturally contains antioxidants to prevent cell damage due to chain reactions involving unpaired Sperm., Semen contain two main antioxidants such as enzymatic antioxidants and glutathione Glutathione production measured in human sperm with comparisons between Download Scientific Diagram Glutathione peroxidase activity in seminal plasma and its relationship to classical sperm parameters and in&am Glutathione improves testicular spermatogenesis through inhibiting oxidative stress, mitochondrial damage, and apoptosis induced by copper deposition in mice with Wilson disease ScienceDirect Glutathione Peroxidase 5 Is Expressed by the Entire Pig Male Genital Tract and Once in the Seminal Plasma Contributes to Sperm Survival and In Vivo Fertility PLOS One