where to inject b12 in leg Best Vitamin Injection Sites: B12 · PA Relief How to Give B12 Injections
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doi: 10.1007/s00277-022-04917-5 51 BishtKFukaoTChironMRichardsonPAtanackovicDChiniEet al
However, the body only uses and stores as much b12 as it needs and any excess is excreted in the urine
doi: 10.1007/s11695-019-03750-6
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