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Without intrinsic factor, oral supplements won't work, making injectable B12 for humans often necessary
Vitamin B12 deficiency can cause several symptoms
B12 injections may be used for people with confirmed B12 deficiency, absorption problems, certain medical conditions or when advised by a healthcare professional
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Hamidreza , based on your specific health goals, medical history, and lifestyle
Hydroxocobalamin is the preferred agent in this patient population (see separate monograph in Less Common Drugs)
