Intranasal preparations of glutathione appear to be safe and well tolerated and have been used by some compounding pharmacies to treat a variety of nervous system diseases for over 15 years
The temptation is to skip it entirely
Injecting a GLP-1 drug when you meant to inject Toujeo could result in hyperglycemia from missing your insulin dose
The biggest known risks are retatrutide-driven GI side effects (nausea 38-43%, diarrhea 33-35%) and dysesthesia - an unusual skin tingling or burning sensation at higher doses
Kiss, E., Jakab, G., Kranias, E
Pickart, International Journal Of Molecular Science GHK-Cu Dosage And Application GHK-Cu is most commonly delivered as a topical serum or scalp solution, designed to penetrate directly into the skin and follicle environment