what is the ndc number for b12 injection Cyanocobalamin Injection, Solution Cyanocobalamin Injection, USP 30000 Mcg/30

Therefore, it may not be safe to get vitamin B12 shots if you dont have a diagnosed deficiency

The liver stores are a bit irrelevant to someone who has PA or a B12 absorption problem though because the mechanism that is used to release them relies on the same mechanism that is used to absorb most dietary B12 so accessing any stores is at best very inefficient

With quicker, unfiltered delivery, you feel the benefits faster than with oral supplementation and other dietary sources of vitamin

It offers no therapeutic benefit

While this is a real concern for the patient, the GPs decision is based on the established clinical effectiveness of the injection schedule