Metformin Lowers Serum Cobalamin without Changing Other Markers of Cobalamin Status: A Study on Women with Polycystic Ovary Syndrome

Metformin increases liver accumulation of vitamin B12 – An experimental study in rats

(2013) E. Greibe et al.   BIOCHIMIE

Serum vitamin B12 not reflecting vitamin B12 status in patients with type 2 diabetes

(2012) Rima Obeid et al.   BIOCHIMIE

Recommendations for diagnosis and management of metformin-induced vitamin B12 (Cbl) deficiency

(2012) Elias E. Mazokopakis et al.   DIABETES RESEARCH AND CLINICAL PRACTICE

Vitamin B12 transport from food to the body's cells—a sophisticated, multistep pathway

(2012) Marianne J. Nielsen et al.   Nature Reviews Gastroenterology & Hepatology

Kinetic Modeling of Storage Effects on Biomarkers Related to B Vitamin Status and One-Carbon Metabolism

(2011) S. Hustad et al.   CLINICAL CHEMISTRY

Uptake of cobalamin and markers of cobalamin status: a longitudinal study of healthy pregnant women

(2011) Eva Greibe et al.   CLINICAL CHEMISTRY AND LABORATORY MEDICINE

Association of Biochemical B12 Deficiency With Metformin Therapy and Vitamin B12 Supplements: The National Health and Nutrition Examination Survey, 1999-2006

(2011) L. Reinstatler et al.   DIABETES CARE

Metformin induces reductions in plasma cobalamin and haptocorrin bound cobalamin levels in elderly diabetic patients

(2010) Sharon Leung et al.   CLINICAL BIOCHEMISTRY

Quantification of Methylmalonic Acid in Human Plasma with Hydrophilic Interaction Liquid Chromatography Separation and Mass Spectrometric Detection

(2008) H.-A. Lakso et al.   CLINICAL CHEMISTRY