Changes to the treatment plan are made based on these checks to help patients get the best results
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B12 levels can become low as a result of inadequate nutrition, decreased absorption of this vitamin in the intestines, stomach problems, infections or cancer
According to the NIH Office of Dietary Supplements, B12 plays a key role in: Making red blood cells and preventing megaloblastic anemia Maintaining healthy nerve function and the myelin sheath that protects nerves DNA synthesis Supporting brain function and preventing cognitive decline Converting food into energy (cellular metabolism) Because B12 is found almost exclusively in animal products meat, fish, dairy, and eggs certain groups of people are at much higher risk of deficiency than others
Long-term reactions are still unclear
A vitamin B12 deficiency can be treated with injections known as vitamin B12 shots or b12 infusions, especially if the persons body has trouble absorbing the vitamin