Dosage of Oral Vitamin B12 Replacement Required In all the five studies, an oral (Delpres study via sublingual route) dose of 1000 g vitamin B12 was used with the exception of Kuzminskis study, whereby a higher dose of 2000 g was used
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The potential for over-restriction and inadequate nutrition increases
If the elevation is unexplained, reducing B12 isnt the goal
For example, some data suggests that absorption from the abdomen might be slightly more rapid than from the thigh
Blood flow to the kidneys can be reduced by hemorrhage, dehydration, heart failure, pulmonary embolism, sepsis (a systemic inflammatory response caused by infection of the blood), excessive blood calcium, and some drugs, such as nonsteroidal anti-inflammatory drugs (NSAIDs) (Ferri 2014a)