Vitamin B12 is vital for several important bodily functions
In the UK, vitamin B12 deficiency is relatively common, particularly among older adults, vegans, vegetarians, and individuals with certain gastrointestinal conditions that impair absorption, such as pernicious anaemia or Crohn's disease
High B12 levels in the blood are not necessarily a reason to panic, as they can stem from a number of different causes
While this effect appears to be related to the magnitude and rapidity of glucose lowering rather than a direct effect of the medication itself, patients with a history of diabetic retinopathy should undergo careful ophthalmologic evaluation before and during treatment, and the potential risks should be weighed against the expected benefits of improved glycemic control
The side effect profiles of these two compounds are dramatically different, and for some people, that difference tips the scale