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Injection-site reactions: Mild redness, tenderness or irritation
So, the B12 in the serum is OK, but in the brain, it is low
Metformin, commonly prescribed for diabetes, and proton pump inhibitors used for acid reflux can both reduce B12 absorption over time
References Jensen, M
Scientists benefit from this framework by getting high quality research compounds while maintaining compliance with the regulatory environment for scientific research
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