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When diet is not an issue, B12 deficiency generally has to do with an inability to absorb the vitamin properly
Site Rotation: Rotate injection sites within the abdominal region to prevent tissue changes
In this guide, we'll walk you through how your body absorbs B12, what the real absorption numbers reveal, who tends to do better with shots versus pills, and the questions worth asking before you choose
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Older adults might also struggle to absorb enough B12, especially if they have reduced stomach acid, which is needed for proper absorption
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