Anticancer Res 43:13011307 Koran LM, Gamel NN, Choung HW, Smith EH, Aboujaoude EN (2005) Mirtazapine for obsessive-compulsive disorder: an open trial followed by double-blind discontinuation
Annu Rev Biochem 52:711760 Njalsson R, Norgren S, Larsson A, Huang CS, Anderson ME, Luo JL (2001) Cooperative binding of gamma-glutamyl substrate to human glutathione synthetase
If BPC-157 was purchased today, the patent would likely expire in 2033 before the phase 1-2-3 trials would be completed, at which point all the generic manufacturers would be able to push the product on the back of all the hard work a pharmaceutical company can do (Im not sure if FDA approval would push the expiration of the patent back, but even then it would not be so financial lucrative)
Glutathione is a large molecule, so its best taken in liposomal form, where its encapsulated in fat-like compounds called liposomes