glutathione and tylenol The Hidden Impact of Acetaminophen
Description
Nature 222 , 10671068 (1969)

Nutrients, 14(3), 452
Both forms ultimately provide vitamin B activity, but hydroxocobalamins longer duration in the body means injections can be given less frequently in maintenance therapy
Once reconstituted, keep it refrigerated at 28C and use within the working shelf life described on the CoA
Once on the market, they remain under surveillance for safety

The optimal dose and whether you need oral supplements or injections depend on the condition and your current B12 levels