Of all the common vitamin deficiencies, vitamin B12 is among the most harmful. This crucial vitamin is responsible for such big tasks as making DNA and red blood cells, as well as helping your nervous system function properly. Despite its importance, however, your body doesn’t make it naturally; we rely on food to supply enough vitamin B12 to maintain good health.
If you suffer from Crohn’s disease, celiac disease or an immune disorder such as Grave’s disease or lupus, your doctor probably has talked to you about the dangers of vitamin B12 deficiency. People with those conditions are not the only ones who need to worry, however; vegans and vegetarians, as well as people over the age of 50, are at particular risk for this form of anemia. Here’s how to know if you are vitamin B12 deficient.
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