Medications that can interfere with B 12 absorption Proton pump inhibitors, such as omeprazole/Prilosec) and lansoprazole/Prevacid commonly prescribed medications for heartburn, reflux, or ulcers Histamine H2 receptor antagonists, such as cimetidine (Tagamet), famotidine (Pepcid), and ranitidine (Zantac) also prescribed for heartburn, reflux, or ulcers Metformin, a medication for diabetes National Institutes of Health, Office of Dietary Supplements Robert H
The nasal route facilitates non-invasive administration, avoiding the need for injections or complex delivery systems, which may simplify protocol designs during experimental procedures
Prescriptions not guaranteed
Interpretations must account for the absence of any direct mechanistic crosstalk documented between these two molecules
It can be taken as oral medication or as an injection if necessary