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Therefore, although gastric bypass surgery is beneficial for weight loss, it also can cause vitamin B12 deficiency
clean injection site with alcohol swab in 2inch diameter
insert the needle at 4590 into subcutaneous tissue [13]
When given by a trained professional, B12 injections are widely considered safe and well-tolerated
Additionally, addressing factors such as alcohol use, smoking, and medications that impair absorption enhances treatment effectiveness
Presence of B12-blocking drugs or hormones
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