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They work best for people who truly need them, those with confirmed deficiencies or absorption issues
Intramuscular injection has proven to be the most effective method for those with vitamin B12 deficiencies or choosing to boost their levels for other reasons, second only to intravenous which is most often administered under emergency situations
Adequate maternal B12 supports infant nutrition, and standard doses are considered safe during lactation
Note whether the color has changed since your last dose from this same vial
Generally, once a person is injected with a dose of intramuscular B12, he or she will receive another dose after ten days
