keep bleeding after b12 injections Pernicious Anemia Treatment Guidelines: Don't Wait! · PA Relief Anyone dragging today?? Call or
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Better safe than sorry, right
Lastly, she says that people with gastrointestinal disorders such as pernicious anemia, celiac disease, Crohn's disease or those taking specific medications may experience impaired B12 absorption, and proper supplementation can help maintain optimal levels

doi:10.1007/s11064-012-0895-x Lin JB, Apte RS
It is given to anyone with a specific vitamin deficiency