I love Glutathione and it is fast acting with its results for fertility. Its one of the uncommon supplements I recommed in my book 360 fertility. , I have a number of clients who are medical Red blood cells as intelligent antioxidant carriers to rescue sperm in in vitro fertilization (IVF): A hypothesis ScienceDirect The Effects of Aging on Sperm Cells: Sperm Anti Aging Protocol North Cyprus IVF Glutathione (GSH) and Male Infertility Enhance Fertility Today Ann Arbor Holistic Health Full article: Immunocytochemical Localisation of Phospholipid Hydroperoxide Glutathione Peroxidase in Bull's Spermatogenic Cells