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doi:10.2147/CIA.S143508
Administered directly into muscle tissue, B12 injections bypass the need for absorption in the gastrointestinal tract, making them a highly effective method for increasing B12 levels in the body
Symptoms like severe dizziness, trouble breathing, hives, and swelling of the face, lips, tongue, or throat require urgent care
Store the injection protected from light
12 NCBI BookshelfBest practices for injection: asepsis, preparation and administration
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