While the peripheral immune cells may be hoarding glutathione, the central nervous system often suffers from severe, localized depletion
Tsui et al., 2017
Reduced Glutathione The form of glutathione used is "reduced" glutathione
the main idea is to hold it in your mouth for 90 seconds or more if you can (if you forget, dont worry, since youre taking the active form, your body will still get some benefit even if you swallow it whole)
6.3 The kynurenine pathway: an interactive mechanism linking gut microbiota, immunity, and neurotransmitters Specific neurotransmitters, such as GABA, dopamine, glutamate, and serotonin (5-HT), are derived from precursors tyrosine and tryptophan, which are transported across the BBB into the CNS and subsequently converted into neurotransmitters (213)