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At this concentration a 2 mg dose is only 0.1 mL (10 units)
Some drugsincluding prescription and over-the-counter drugsmay cause you to have low B12 levels in your body, especially when taken for a long time
The frequently used diabetes medication metformin can also reduce the absorption of B12 in the small intestine
The presence of specific antibodies is the key differentiator that confirms the autoimmune nature of the condition, paving the way for correct, lifelong management to protect your long-term health
Unlike oral supplements, an injection delivers vitamin B12 directly into the body without relying on digestive absorption which can be reduced by age, certain medications such as proton pump inhibitors or metformin, or gastrointestinal conditions
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