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doi: 10.1002/14651858.CD004655.pub3
Vitamin B12 deficiency is most common in people who have a disease or condition in which the body is unable to absorb vitamin B12 from ingested foods
Understanding the distinct evidence base, regulatory status, and safety profile of each agent and the complete absence of clinical data on their combined use is essential for patients and healthcare professionals navigating this rapidly evolving and largely unregulated landscape
What happens if you get too much B12
The exact way metformin affects B12 absorption is not fully understood
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