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This helps them decide if you need B12 shots and how much
If a patient is truly deficient and cannot absorb oral B12, injections are lifesaving and the benefits outweigh the small risk
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The research is promising, but the approval isn't there, and people are making their own choices
Vitamin B12 injections begin working at a cellular level almost immediately after administration, though the timeframe for noticeable symptom improvement varies considerably between individuals
It promotes formation of new blood vessels, reduces oxidative stress markers, and modulates the nitric oxide system (Hsieh et al., 2017)
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