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Post-Surgical Care: Patients who have undergone gastrointestinal surgeries, such as gastrectomies or ileal resections, may face challenges in absorbing B12 from food due to changes in the digestive process

NHS.uk.

By restoring cobalamin levels, these injections help support healthy red blood cell production, neurological function, and DNA synthesis

These may include mild digestive changes (nausea, altered bowel movements), increased energy levels that may feel stimulating initially, mild headaches (often related to dehydration), and minor injection site reactions (redness, temporary discomfort)

These compounded drugs are mandated to use solely ingredients from FDA-licensed sources and undergo rigorous testing for potency, sterility, and purity

Frequency Based on Severity : Mild deficiency : Injections may be needed every 3-6 months