what is the role of glutathione in the body Benefits for Skin: Brightening, Anti-Aging, and More Your Complete Guide to Glutathione

In detail, it has been demonstrated that acetylation of histone H4 was diminished in rat hippocampus was reduced at the glutamate receptor 2 (GluR2) promoter after SE and H4 deacetylation appeared prior to GluR2 mRNA downregulation

The benzyl alcohol preservative doesnt indefinitely extend the peptides stability, but it does protect the solution from bacterial contamination during that window

Mori N, Yasutake A, Hirayama K (2007) Comparative study of activities in reactive oxygen species production/defense system in mitochondria of rat brain and liver, and their susceptibility to methylmercury toxicity

doi:10.1089/ars.2011.4198

That is rate-dependent and expected

Each vial contains: 1500 mg of Decreased L-Glutathione, which is more than any other formulation