Nat Biotechnol 32:760772
Glutathione is an essential cofactor for a number of enzymes, including formaldehyde dehydrogenase, glyoxylase, maleylacetoacetate isomerase, dehydrochlorinase, and prostaglandin endoperoxidase isomerase
Similarly, using a morphine withdrawal model in rats, Selank reduced withdrawal symptoms significantly
Dairy, for example, ones nose can generally determine whether it's OK to eat, or not, although it possibly wouldn't do harm
However, anecdotally, those with Mast Cell or histamine intolerances should be wary and work with a practitioner to prime their immune system with other peptides prior to taking BPC 157
Avoid rubbing or massaging treated areas for 24 hours