glutathione is a tripeptide containing a centralresidue - an overview Optimizing Glutathione's Component Amino Acids
Description
However, many people don't get enough from their diets

Storage Conditions and Shelf Life Lyophilized GHK-Cu stored at 20 C in sealed vials with desiccant retains stability for 24+ months under typical research-storage conditions
Rat spinal motor neurons were shown to benefit neuroprotectively from the addition of zonisamide, which was able to increase the expression of astrocyte metallothionein 2A and lessen oxidative stress-induced astrocyte damage [8]

Ingredients L-glutathione
Injecting through wet alcohol can push residue into your solution