glutathione for vitiligo does cause Frontiers glutathione injection for vitiligo Injection:

Rodrigues C, Milkovic L, Bujak IT, Tomljanovic M, Soveral G, Cipak Gasparovic A

One of the studies evaluated GSH levels and found a significant increase in blood GSH levels in the patients receiving NAC, although this study did not find significant improvements in behavioural outcomes

All handling, measuring, and experimental evaluation must be conducted exclusively by qualified scientific professionals within a certified and monitored research facility

Third-party tested for identity and purity

Here is one example research week for the 10 mg vial at 150 mcg (45 units), dosed in the morning

But if you're a student-athlete, there's one critical thing you need to know right away: BPC-157 is unequivocally banned by the NCAA