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Metformin causing vitamin B12 deficiency: a guilty verdict without sufficient evidence

Those most at risk include vegans and vegetarians, people with digestive conditions such as Crohn's disease, coeliac disease or IBS, those taking long-term metformin or proton pump inhibitors, older adults whose ability to absorb B12 through the gut declines naturally with age, those with pernicious anaemia, and anyone with a history of chronic alcohol use

If this applies to you, speak to a healthcare professional before restarting treatment on your own

They are not intended for human consumption, medical, veterinary, or household use