oral glutathione skin whitening study Injections For Whitening: Benefits, Uses, Side Effects Examining Glutathione Injection Skin Whitening:
Description
Optimal results develop over 23 months as the protocol is refined

[58] Medical uses [edit] Treatment of deficiency [edit] Severe vitamin B 12 deficiency is initially corrected with daily intramuscular injections of 1000 g of the vitamin, followed by maintenance via monthly injections of the same amount or daily oral dosing of 1000 g

A., & Schiavon, M

You can't just give someone massive doses of EPO for nerve pain because it would thicken their blood to dangerous levels
