Many people consider trying B12 injections without blood testing first and this is also an option if you are looking to explore the benefits of B12 injections from a well-being perspective
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Additional at-risk groups include: Vegans and strict vegetarians , who may have low dietary B12 intake People with autoimmune conditions , including pernicious anaemia or type 1 diabetes Individuals with gastrointestinal conditions such as Crohn's disease or coeliac disease, which impair nutrient absorption People who have undergone bariatric surgery , which can significantly reduce B12 absorption Long-term users of proton pump inhibitors (PPIs) or H2-receptor antagonists , which reduce gastric acid and impair B12 release from food Those with a family history of either pernicious anaemia or diabetes For these groups, simultaneous monitoring of B12 status and glycaemic markers is particularly important to avoid diagnostic errors
Foods rich in B12 include: Beef liver Clams Fish like salmon and tuna Dairy products Fortified cereals However, people with absorption issues may still need injections
the 6-10 week figure is a practitioner-derived research convention, not a clinical endpoint
Description of exendin-3(939) amide, a specific exendin receptor antagonist
