Once a week
These include allergic reactions ranging from mild skin reactions to potentially serious anaphylaxis (extremely rare), though true allergic reactions to glutathione itself are uncommon given its endogenous nature
Mutat Res/Fundamental Mol Mech Mutagen 579(1):115124 Xiao D, Zeng Y, Hahm ER, Kim YA, Ramalingam S, Singh SV (2009) Diallyl trisulfide selectively causes Bax- and Bak-mediated apoptosis in human lung cancer cells
Unlike capsules, which may lose potency during digestion, injectable glutathione delivers the compound directly into the bloodstream ensuring maximum bioavailability and rapid systemic action
Wang S, Wang Z, Peng L, Zhang X, Li J, Yang Y, Hu B, Ning S, Zhang B, Han J, Song Y, Sun G, Nie Z (2018) Gender, age, and concomitant diseases of melanosis coli in China: a multicenter study of 6,090 cases