glutathione gsh definition function - an overview Glutathione | C10H17N3O6S | CID

As a 2026 review noted, the original composition-of-matter patents "have likely expired reducing the commercial exclusivity that typically incentivizes industry-sponsored Phase II and III development" [13]

That's a specific and meaningful distinction, even accounting for the fact that the evidence comes from cell studies rather than large clinical trials

Current Pharmaceutical Design , 25(39), 4165-4170

The widely repeated claim that it is ~ten-million-fold more potent than BDNF is a relative in-vitro spine-counting ratio, not a human effect, and key mechanism papers from the originating lab were retracted in 2025