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Several human studies appear to have been cancelled or stopped without published results a gap that cannot be glossed over clinically [1]

Vitamin B12 injections are primarily used to: Treat or prevent vitamin B12 deficiency Manage pernicious anemia Support patients with malabsorption disorders Aid those with dietary restrictions, such as vegans or vegetarians Offset vitamin loss due to medications like metformin or proton pump inhibitors (PPIs)

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Both oral administration in drinking water and intraperitoneal injection produced significant pressure increases, though direct gastric application showed effects within minutes