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Post-Gastrointestinal Surgery Patients: If youve undergone surgeries such as gastrectomy or weight loss surgery, we can help monitor and address any potential nutrient deficiencies, including B12
The main distinction comes down to where the injection is delivered: deep into the muscle or into the fatty tissue just beneath the skin
For the maintenance treatment of vitamin B12 deficiency, the usual dose is 100mcg SC/IM, given once per month
Treating these issues requires a careful B12 dosing plan
The right choice depends on deficiency cause, route preference, tolerability, availability, and monitoring needs
For weight-loss evidence context, review Mayo Clinic information on B12 injections and weight loss
