Influence of metformin intake on serum vitamin B12 levels in patients with type 2 diabetes mellitus.
Saad Al-FawaeirIbrahim Al-OdatPublished in: PloS one (2022)
There is a significant association between metformin intake and vitamin B12 deficiency. Serum vitamin B12 levels should be checked by physicians and serial monitoring is necessary in patients who are treated with metformin.