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Vitamin B12 is available as a dietary supplement and is also added to some foods
If harm at high doses is established then perhaps B12 has a therapeutic range, outside of which it causes harm
B12 deficiency can develop gradually and may present with a range of symptoms, some of which overlap with other conditions
It does not extend to outpatient procedures such as B12 injections unless you are hospitalized and the injection is part of your treatment plan during your stay
According to the Centers for Medicare & Medicaid Services (CMS), Original Medicare (Parts A and B) covers vitamin B12 injections when theyre medically necessary when: You have a history of low blood levels of vitamin B12 or conditions that are caused by or cause low B12 levels such as certain autoimmune and gastrointestinal disorders
Structural basis for activation of the growth hormone-releasing hormone receptor
