glutathione side effects on stomach for skin lightening: a regnant myth or evidence-based verity? How to Take Glutathione Effectively:

Additionally, as noted above we also found the up-regulation of Hsp70, a specific chaperone that forms complexes with other co-chaperones in maintaining hemostasis and is associated with intracellular organization of signaling systems and platelet function 24 , and expression of Hsp70 is an endogenous mechanism by which living cells adapt to stress 25

PMID: 39031460

Astrocytes can function as secretory cells, releasing a variety of signaling moleculesincluding classical neurotransmitters (ATP, GABA, glutamate and glycine), gliotransmitters (D-serine and glycine), metabolic substrates (lactate) and growth factors (BDNF and TGF-)through exocytic vesicles, transporters or channels

The preservative lets bacteriostatic water resist contamination during repeated draws, so it suits multi-use research vials better