Taking the diabetic medication, Metformin, is associated with a higher risk for Vitamin B12 deficiency
In 2017, I experienced a new bout of B12 deficiency I had not expecteddepletion of my B12 caused by medications I was taking to reduce gastroesophageal reflux disease and heartburn
However, the lab ranges conventional medicine uses to measure vitamin B12 are low
Some dermatology case reports associate B12 injections with acneiform eruptions and rosacea flares
however, cases of hypercobalaminemia in leukemia, autoimmune diseases, and pulmonary and renal dysfunction have also been observed (Andrs et al., 2013
It is used as a laboratory reagent to investigate cellular pathways related to lipid metabolism in controlled experimental systems