is glutathione injected subcutaneously IM Can glutathione be administered subcutaneously?

The two are native forms, and are superior to hydroxo B12 or cyano B12

[DOI] [PubMed] [Google Scholar] 27.Kikuchi E, Margulis V, Karakiewicz PI, Roscigno M, Mikami S, Lotan Y, et al

Deboever N, Eisenberg M, Niu J, Graber W, Antonoff MB, Hofstetter WL, Mehran RJ, Swisher SG, Vaporciyan AA, Walsh GL, Giordano SH, Rajaram R, Rice DC

Originally identified in human plasma, this peptidecopper complex functions as a biological repair signal that supports healthier cellular activity patterns

[2] Clinically, NAD+ Injection has been explored for a range of potential wellness benefits, although robust evidence in humans remains limited

Apologies to all for the long post off-topic