If this occurs, the symptoms are typically temporary and should resolve within a day or two
Injections of B12 may be given to patients who are unable to absorb this vitamin in their bodies due to problems such as gastrointestinal pathology or dysfunction
Because zinc is less bioavailable from plant foods (phytic acid in grains and legumes inhibits its absorption), vegetarians and vegans are also more likely to come up short
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Here are some general steps for administering a B12 injection: Gather the necessary supplies: You will need a sterile needle and syringe, alcohol wipes, adhesive bandage, cotton balls, and the vial of B12
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