glutamine glutamate gaba glutathione metabolism and optimal immune and CNS function | Proceedings of the Nutrition Society The glutamate/GABA‐glutamine cycle connects neurotransmitter...

Cross-validated against LC-MS in human plasma samples, the assay has also been successfully applied to both human and mouse cell culture models (see supporting data)

Benoist CC, Wright JW, Zhu M, Appleyard SM, Wayman GA, Harding JW

Its important to note that the effectiveness and safety of these shots can vary from person to person

doi: 10.3945/ajcn.2010.28674F [PubMed] [Elsevier] 117

However, data obtained from most experiments dealing with in vitro cell exposure to homocysteine are disappointing because the concentrations required are generally high and the effects generally have not been specific to homocysteine (Jacobsen, 1993)