Item Parental high ARA levels are associated with differential expression of genes involved in methionine cycle, transsulfuration pathway, and glutamate and glutathione metabolism in male F1 livers. Public Library of L Glutathione 500mg 6121120 One lab marker could reveal your risk for heart disease, brain decline, and poor detoxand most people have never heard of it. MTHFRHOMOCYSTEINE and GLUTATHIONE People with the MTHFR C677T variant tend to have: *elevated Homocysteine *Red Blood Cells that are a bit too large HOMOCYSTEINE: But, there are other reasons why HOMOCYSTEINE may