do b12 injections have to be refrigerated Vitamin Injections: Hot Shots? Full Guide · PA Relief does b12 injection have to
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PubMed, Liang, Shuang, et al

Intramuscular B is the standard treatment

People who cannot absorb B-12 will need regular injections since your body needs B-12 to function properly

References: References:
Anthropometric measurements were taken according to a standard operating procedure
