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Signs That Vitamin B12 is Working People who begin Vitamin B12 therapy often ask about the time needed for its effectiveness and the noticeable indicators
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Not a drug or dietary supplement
Modified Protocols for Elderly Patients Older adults might need different amounts of Vitamin B12
Allergic reactions are uncommon, but if you were to experience symptoms like swelling of the tongue or throat, hives, or difficulty breathing after an injection, that could indicate an allergy and you should seek medical help immediately
They might also see redness or swelling, or feel a bit of itching or rash
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