Typically, the benefits can last about one week for individuals with a moderate deficiency
Afterward, you'll move to a maintenance schedule, which for some conditions like pernicious anemia, could be a monthly injection for life
Your practitioner will advise on a suitable treatment plan following consultation
If your body has trouble absorbing B12, you might get daily B12 supplementation shots for around two weeks at first until you feel better
The frequency of B12 injections varies depending on the underlying cause of deficiency, the severity of symptoms, and whether neurological complications are present
A clinician can help determine whether vitamin B12 fits your existing treatment plan or whether testing and broader follow-up would be more appropriate