glutathione intra nasal GSH Science & Research Safety Survey of Intranasal Glutathione
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Interestingly, transgenic mice harboring a homolog (Val68Met) of a common human polymorphism of BDNF (Val66Met) compulsively consume more alcohol than wild-type mice 18

Awc L, Mr Z, Helmy H, et al

It's an -MSH (melanocyte-stimulating hormone) fragment that reduces inflammatory cytokine release
