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why is my b12 still low after injections Feeling worse Injection: Answering concerns What You Need to Know
Description
Do I have to stay on this forever

5 When ingested, the body must break it down into its active form before it can be used, which may be difficult for people with SNPs (genetic mutations) on B12 metabolic pathways

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Injection depth affects outcomes too

Others likely experience no difference
[DOI] [Google Scholar] 35.Souto J