how often should i have vitamin b12 injections Injections: Good or Bad? Vitamin B12 Deficiency: Signs &

The products are not medicines or drugs and they have not been approved by the FDA to prevent, treat, diagnose, mitigate, or cure any disease, ailment or medical condition

As far back as the 1970s, there were case reports in the literature of B12 deficiency associated with metformin use, with several observational studies reporting the same, but very little in the way of high-quality, well-powered, prospective studies

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But if youre struggling with persistent fatigue and cant find a cause, a blood test can help determine if B12 is the missing link

As another example, a person might have undiagnosed pernicious anemia