Influence of exogenous ascorbic acid and glutathione priming on mitochondrial structural and functional systems to alleviate aging damage in oat seeds BMC Plant Biology Springer Nature Link The effectiveness of compound X is oftentimes dependent on the presence of compounds Y and Z and so on. Endogenous compounds like glutathione get a lot of commercial attention but they do Glutathione reductase catalytic cycle MedLink Neurology Glutathione redox cycle dysregulation in Huntington's disease knock in striatal cells ScienceDirect GLUTATHIONEtrying to learn more about it ** **The Methylation Cycle: ** After the methyl group gets transferred from L Methylfolate to the enzyme MTRR it is attached to "naked" B12 and this produces The Glutathione System: A Journey from Cyanobacteria to Higher Eukaryotes