what is glutathione found in How to increase levels: 4 natural ways What Is Glutathione? — Purifi
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10.1038/nmicrobiol.2017.83 138 SelvanesanB

Enhances overall energy and vitality

(2) The second strategy is based on stepwise formation of disulfide bonds employing orthogonally protected cysteine (Cys)
Our work identifies SLC25A39 as an essential and regulated component of the mitochondrial GSH-import machinery

Thus, while further human trials are essential, it remains to be seen to what extent BPC 157a compound with primarily preclinical support, a wide range of pleiotropic effects, and no observed LD in toxicology studies [3,4,5,6,7,8,9,10,11,12,13,14,16,17,18,19,20,21,22,23,24,27,28,29,30,31,32,34,37,39,40]can truly achieve such outcomes through pharmacological means

Does Category 1 status mean BPC-157 is FDA approved