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Vitamin b12 can also aid any gastrointestinal or appetite issues
No testing documentation: "Trust us, it's pure" isn't good enough
Your doctor might also check your B12 levels with blood tests
However, these injections can be painful and may cause adverse events such as infections and bruises, making self-administration challenging for elderly patients
Blood Levels Return to Normal 3 to 4 Weeks A blood test after 3 to 4 weeks of treatment usually shows B12 levels back in the normal range
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