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Taking B12 without medical supervision is not recommended, as it can mask other deficiencies or interact with certain medications
In addition, if you're one of the millions of Americans taking proton pump inhibitors (PPIs) that suppress stomach acid for conditions like acid reflux, you're going to be prone to vitamin B12 deficiency
Causes of High Vitamin B12 Blood Levels Increased levels of vitamin B12 can exist for a number of reasons, which can be divided roughly into the following categories: Distorted results Testing too soon after taking B12 supplements The bodys failure to utilise B12 (5) Severe diseases (4, 5) This article will take a closer look at the causes of elevated B12 blood levels, as well as considering the necessary ways to respond
Liu J et al
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