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Metformin, commonly prescribed for diabetes, and proton pump inhibitors used for acid reflux can both reduce B12 absorption over time
This confuses people
Please report these side effects immediately to your providerespecially if it is your first time receiving B12 injections
Site Rotation: How to Track It and Why It Matters Injecting repeatedly into the same spot causes lipodystrophy, a breakdown of subcutaneous fat that creates permanent indentations and can impair peptide absorption at that site
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