b12 liquid for injection Vitamin at a Licensed Pharmacy Deficiencies may result in anemia Vitamin B-12 Injection, 1,000 mcg/mL

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Over time, high blood glucose damages the small blood vessels that supply nerves, so nutrients and oxygen cannot reach the nerves

Individual results vary and require medical supervision

You might need shots to fix low levels

As all cells in the body require cobalamin for single carbon metabolism, it has been hypothesized that cobalamin deficiency may actually contribute to the clinical signs and manifestations of gastrointestinal disease in some patients

However, if you have concerns about weight gain or loss, the most accurate approach is to speak with a healthcare professional to evaluate your diet, lifestyle, and potential hormonal imbalances, rather than focusing on a single vitamin