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Some people come in for regular maintenance shots, while others start more frequently to rebuild low levels before spacing visits out
For patients with pernicious anemia, lifelong intramuscular B12 injections are the established standard of care
Retrieved May 1, 2025, from Drugs.com database
Because the body cannot make B12 on its own, it has to come from food (meat, fish, eggs, dairy) or from supplements
People with pernicious anemia, or those at risk of developing it
FAQs Why should I choose an injection over an OTC supplement
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