best form of b12 injection What are the benefits injection? Each form of B12 works along different biological pathways within the body Vitamin B12 Injection Sites: All

If you take these long term, it is worth checking your B12 status, and injections may be recommended if a deficiency is found

For maintenance or prophylactic use (such as in a patient with short-gut syndrome who cannot absorb oral vitamins well), a common regimen is 1 mL IM once weekly

To guarantee your safety, let your healthcare provider know about all other medications you are taking

and people with conditions that cause nutrient malabsorption and/or gastrointestinal blood loss (such as celiac disease, ulcerative colitis, and Crohn's disease)

In practice, some people with B12 deficiency may be able to switch to very high dose (e.g