With liposomal glutathione, the molecule is enclosed in liposomes, microscopically small spheres of phospholipids, the same building material as in your own cell membranes
Li Y, Wang R, Chen Z, Zhao X, Luo X, Wang L, Li Y, Teng F (2020) Preparation of magnetic mesoporous silica from rice husk for aflatoxin B1 removal: optimum process and adsorption mechanism
For Thymosin Beta-4 / TB-500 , there is somewhat more human work, but it concerns the full-length protein and specific indications like chronic wounds and corneal or cardiac injury, generally in early-phase studies
Regulation of intracellular glutathione [PMID: 30616996] Laboratory literature summary: Regulation of intracellular glutathione
Research using transected rat Achilles tendons provides compelling evidence for BPC-157s tendon healing properties