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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
Journal of psychosomatic research
Shots come in different strengths
It is a research chemical studied in preclinical and early clinical research
Given this complex landscape, it becomes clear why just reaching for a B12 shot without understanding the root cause might not be the magic bullet you hope for
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