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GLP-1 receptor agonists: reminder of the potential side effects and to be aware of the potential for misuse
Sever M, et al
Vitamin B12 deficiency and the role of gender: a cross-sectional study of a large cohort
When symptoms are present, they are almost always caused by the underlying condition driving the elevation , not by the B12 itself
Assuming more is always better serum B12 above 1,000 pg/mL from supplementation is generally harmless, but persistently high B12 without supplementation warrants investigation for liver disease or myeloproliferative disorders [7]
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