glutathione+ Glutathione - an overview Glutathione | C10H17N3O6S | CID

So its not very targeted or specificand its not that concentrated

Expression of GR is upregulated during periods of increased oxidative stress, to prepare for reactive oxygen species removal

FDA Regulatory Status Clarification Injectable glutathione as described in this publication is compounded by FDA-registered pharmacies but is not an FDA-approved drug product

Additionally, a microbiome-induced CART-expressing subset of neurons in the enteric nervous system can regulate blood glucose and connect polysynaptically to the liver and pancreas [43], representing interconnected neuro-endocrine control of systemic metabolism with input from the microbiome

This is lower than the 41.8% efficiency of energy storage observed during glycolysis when glucose is converted to pyruvate