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It far outperforms the pill form
The useful observation in this window is simple tolerability whether the chosen route is comfortable and consistent
PMID 8875026
Frequency of Injections How often you should get a B12 injection depends on whether youre correcting a deficiency or maintaining optimal levels
Supplementary Fig
Rather than remembering daily pills, patients receive periodic injectionsoften monthly or biweekly depending on individual needsproviding sustained B12 levels between treatments
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