Medicines and supplements
Vitamin B12 and medicines: what to know
Medicines that may interact with vitamin b12, what is documented about each, what to ask your pharmacist, and the sources.
Ask your pharmacist or doctor before combining a supplement with any medicine. These pages say what is documented, and where it comes from.
- H2 blockers and vitamin B12: can acid reducers lower B12?
- Vitamin B12 and metformin: what the label and NIH say
- Vitamin B12 and proton pump inhibitors
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