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References (APA style) Blau, H
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Vitamin B12 is unique among the B vitamins because it is not found in plant-based foods in significant amounts
However, evidence from research studies suggests that GLP-1 analogs may also reduce gastric acid secretion, which can impair the conversion of dietary B12 into its absorbable form and decrease binding to intrinsic factor, both of which are necessary for proper absorption
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