b12 combo injection Vitamin Methylcobalamin Injection (Vitamin B12) |

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

Some patients also experience mild diarrhea, swelling, or itching

This was painful and caused my leg to jerk and I pulled out the needle without thinking

A very rare but serious allergic reaction that causes swelling of the face, tongue, and throat can occur