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IV (weekly): 250 mg/week or 500 mg/week , depending on the infusion length/volume
Certain health conditions such as intestinal or stomach problems, poor nutrition, cancer, HIV, pregnancy, old age, veganism, and alcoholism can cause vitamin B12 deficiency
Quick math example A 10 mg vial mixed with 2 mL gives 5 mg/mL
While this reflects curiosity, it is not the intended use
B12 levels can become low as a result of inadequate nutrition, decreased absorption of this vitamin in the intestines, stomach problems, infections or cancer
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