b12 injections and headaches Why do I feel worse after a injection: causes explained Signs You May Have a
Description
It must be absolutely clear in the advertising of such products that they do not have a medical purpose. So the same B12 (hydroxocobalamin in this case), from the very same manufacturers, is at the very same time

Particularly useful for patients who started with borderline metabolic markers

The cobalamin enters the bloodstream directly and is available to tissues within hours
Despite these potential side effects, it is important to emphasize that reactions are individual and depend on multiple factors, including dosage, method of application, and the biological characteristics of each person
