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Vitamin D3 can be taken over-the-counter, whereas Vitamin B12 is best taken as a shot or IV infusion
Chloramphenicol and other drugs having bone marrow suppressant properties may cause a lack of therapeutic response to vitamin B12
Long-term monitoring is still advisable
It is usually administered in a healthcare setting, such as Neighborhood Medical Center, and the injection is typically given in the muscle (intramuscular, IM) or under the skin (subcutaneously)
standing height, weight, and BMI z-score
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