Following recommended schedules helps avoid overuse.
For individuals with atrophic gastritis, pernicious anaemia, or those taking proton pump inhibitors , food-bound B12 absorption is already compromised
Response: We note that many of the factors recommended are provider-level characteristics, and as such are not feasible to use as a patient characteristic for stratification
4.2 Detailed expandable studies Study 1: Heffernan 2001, foundational mechanism Citation: Heffernan M., Summers R.J., Thorburn A., et al
Still deciding on intramuscular or subcataneous B12 injections?
Researchers found its safety profile was virtually identical to placebo, with no treatment-related serious adverse events reported in any study