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Common reasons include: Pernicious anemia , an autoimmune condition affecting intrinsic factor production Gastrointestinal disorders, such as Crohns disease or celiac disease Prolonged use of certain medications, like proton pump inhibitors Knowing these causes helps spot at-risk people
Generally more affordable than injections
The Cleveland Clinic notes that IV nutrient therapy may be appropriate in select clinical contexts when oral intake is limited or absorption is impaired
if youre breastfeeding, 2.8 micrograms
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