Vitamin B12 is essential for the healthy functioning of nerves, the production of red blood cells, and the overall health of the brain and spinal cord
While a single early injection is not a burden, a GP practice has to consider the potential for every one of their Pernicious Anemia patients to make similar requests, each requiring an individual assessment and schedule adjustment
Patients with chronic conditions should undergo regular monitoring
You do not need to worry about oral B12 absorption being compromised by the same medication you are taking
Moreover, megadoses of up to 2,000 mcg are considered safe in treating B12 deficiency, but its best to avoid excessive amounts of any vitamin, especially when not needed
Disclaimer: The FDA does not approve compounded medications for safety, quality, or manufacturing