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Administration: The B12 injection is administered intramuscularly, ensuring optimal absorption and efficacy
Side Effect Generally well tolerated
Split dosing becomes valuable when single dosing produces inconsistent results, when doses above 400mcg are needed, or when evening administration fits better into lifestyle patterns
This absorption is almost entirely dependent upon intrinsic factor (IF), a glycoprotein secreted by parietal cells situated in the mucosa of the stomach
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