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Fatal hypokalemia may occur when severe megaloblastic anemia is treated intensively with vitamin B12, as a result of increased erythrocyte potassium requirements
Long-term use of metformin (for type 2 diabetes) or proton pump inhibitors can also deplete B12 levels over time
Regular monitoring is essential for both safety and efficacy
Whilst some men may be attracted to peptides due to their different mechanism of action or the perception that they are "natural" (despite being synthetic), this does not translate to superior efficacy or safety
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