Many people wonder, "Does vitamin B12 directly cause weight gain?" The short answer is no, not directly
NHS approach to B12 deficiency: NICE Clinical Knowledge Summaries recommend investigating B12 deficiency in patients presenting with macrocytic anaemia, unexplained neurological symptoms, or risk factors including pernicious anaemia, gastrectomy, malabsorption disorders, metformin use, proton pump inhibitors, or nitrous oxide exposure
Erysipelatoclostridium relative abundance was significantly greater in the vehicle-treated group switched from WD to LD relative to all other groups (before FDR correction, Fig
Vitamin B12 blood tests are also available privately at clinics such as ourselves, Aeternum Aesthetics in Ashby de la Zouch
However, its advisable to consult with a qualified provider before starting any new supplement regimen, especially if you have existing health conditions or are taking medications