This was confirmed and elaborated on by Fafula, Roman V et al who published research in the Journal of Human Reproductive Sciences that shows glutathione not only important in protecting the sperm and improving motility and viability, but that the female reproductive tract contains extracellular glutathione, and if levels are adequate, would give sperm a survival advantage
systematically characterized differentially expressed proteins induced by cystine starvation and found that GPX4 was among the most downregulated proteins 11
Eur J Cancer 41(8):11091116 Margolin K et al (2001) Phase Ib trial of intravenous recombinant humanized monoclonal antibody to vascular endothelial growth factor in combination with chemotherapy in patients with advanced cancer: pharmacologic and long-term safety data
Testosterone Replacement Therapy (TRT): Essential: regular blood testing (testosterone levels, haematocrit, PSA, liver function)
It is possible that the amount of muscle damage and inflammation was so great during this study that administration of antioxidants had no possible benefit or as noted could possibly have had enhanced the response[27]