glutathione vs glutamate L-glutamate and L-cysteine are bound by glutamate–cysteine ligase Glutathione - Wikipedia

There are multiple pathways involved in the remethylation of homocysteine, including the betaine pathway and the methionine synthase pathway

Furthermore, an increased plasma von Willebrand factor is found in hyperhomocysteinemic subjects bearing premature arterial disease (Freyburger et al, 1997) and, of major relevance, acute methionine loading induced moderate hyperhomocysteinemia results in a significant increase in von Willebrand factor (Constant et al, 1999)

Researchers started testing its effects on tissues relevant to reproduction, including ovarian cells, endometrium, and testes

Is there a role for reproductive steroids in the etiology and treatment of affective disorders