People often quote first, do no harm as being part of the doctors oath but you might be surprised to learn that the oath doesnt actually say that
Hydroxocobalamin - This is a prescription medicine
its one half of an equation thats only completed once the target concentration is known
It appears to interact with key biological systems, such as the nitric oxide pathway and antioxidant defenses, which may explain its broad therapeutic effects
Inflammopharmacology 2012
Individuals with severe kidney failure, decompensated liver disease, congestive heart failure with fluid overload, non-ketonic hyper-glycemia, or known hypersensitivity to formulation components should not receive glycine.Patients on clozapine should likewise avoid glycine unless supervised closely, as it may blunt clozapines efficacy