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These shots are given either in the muscle (IM) or under the skin (subcutaneously)
People with Certain Medications: Long-term use of medications like proton pump inhibitors or metformin can interfere with B12 absorption, leading to a deficiency
How often are maintenance doses of vitamin B12 injections administered
Extended protocols may be appropriate for individuals with significant body composition goals, those who respond gradually to therapy, or patients seeking comprehensive metabolic optimization under close medical supervision
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