Long-term treatment with metformin in type 2 diabetes and vitamin D levels: A post-hoc analysis of a randomized placebo-controlled trial.
Mattijs OutWiebe M C TopPhilippe LehertCasper A SchalkwijkCoen D A StehouwerAdriaan KooyPublished in: Diabetes, obesity & metabolism (2018)
Metformin had no effect on serum 25(OH)D during 16 months in the setting of a clinical randomized controlled trial in patients with type 2 diabetes. Our results show that metformin doesn't lead to vitamin D deficiency.