HUBERMAN: So the point is that if you want a specific biological effect, maybe you want to repair a given injury, or you'd like to get more growth hormone in order, I don't know, to get leaner or to recover from exercise more quickly or to feel more vitality, yes, there are peptides that can impact those pathways, but always, always, always, if you take peptides, especially therapeutic peptides, designed to promote activity within a given pathway for a specific purpose, you are going to activate other pathways as well
(2018) identify the activity of the first committed enzyme of glutathione synthesis, Glutamate Cys ligase (GCL/-ECS/CAD2), as a key determinant of S flux into not only glutathione but also protein synthesis
Espe M, Adam AC, Saito T, Skjrven KH
It is also how they catch problems before you feel them
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